diff --git a/public/js/skulpt.min.js b/public/js/skulpt.min.js
new file mode 100644
index 0000000..55f67d8
--- /dev/null
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+a[e])&&"function"===typeof d.then?d.then(b,c):b(d)})}});b("promise/reject",["exports"],function(a){a.reject=function(a){return new this(function(b,c){c(a)})}});b("promise/resolve",["exports"],function(a){a.resolve=function(a){return a&&"object"===typeof a&&a.constructor===this?a:new this(function(b){b(a)})}});b("promise/utils",["exports"],function(a){function b(a){return"function"===typeof a}var c=Date.now||function(){return(new Date).getTime()};a.objectOrFunction=function(a){return b(a)||"object"===
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+Sk.configure=function(a){Sk.output=a.output||Sk.output;goog.asserts.assert("function"===typeof Sk.output);Sk.debugout=a.debugout||Sk.debugout;goog.asserts.assert("function"===typeof Sk.debugout);Sk.uncaughtException=a.uncaughtException||Sk.uncaughtException;goog.asserts.assert("function"===typeof Sk.uncaughtException);Sk.read=a.read||Sk.read;goog.asserts.assert("function"===typeof Sk.read);Sk.timeoutMsg=a.timeoutMsg||Sk.timeoutMsg;goog.asserts.assert("function"===typeof Sk.timeoutMsg);goog.exportSymbol("Sk.timeoutMsg",
+Sk.timeoutMsg);Sk.sysargv=a.sysargv||Sk.sysargv;goog.asserts.assert(goog.isArrayLike(Sk.sysargv));Sk.python3=a.python3||Sk.python3;goog.asserts.assert("boolean"===typeof Sk.python3);Sk.imageProxy=a.imageProxy||"http://localhost:8080/320x";goog.asserts.assert("string"===typeof Sk.imageProxy);Sk.inputfun=a.inputfun||Sk.inputfun;goog.asserts.assert("function"===typeof Sk.inputfun);Sk.retainGlobals=a.retainglobals||!1;goog.asserts.assert("boolean"===typeof Sk.retainGlobals);Sk.debugging=a.debugging||
+!1;goog.asserts.assert("boolean"===typeof Sk.debugging);Sk.breakpoints=a.breakpoints||function(){return!0};goog.asserts.assert("function"===typeof Sk.breakpoints);Sk.setTimeout=a.setTimeout;void 0===Sk.setTimeout&&(Sk.setTimeout="function"===typeof setTimeout?setTimeout:function(a,c){a()});goog.asserts.assert("function"===typeof Sk.setTimeout);"execLimit"in a&&(Sk.execLimit=a.execLimit);"yieldLimit"in a&&(Sk.yieldLimit=a.yieldLimit);a.syspath&&(Sk.syspath=a.syspath,goog.asserts.assert(goog.isArrayLike(Sk.syspath)),
+Sk.realsyspath=void 0,Sk.sysmodules=new Sk.builtin.dict([]));Sk.misceval.softspace_=!1};goog.exportSymbol("Sk.configure",Sk.configure);Sk.uncaughtException=function(a){throw a;};goog.exportSymbol("Sk.uncaughtException",Sk.uncaughtException);Sk.timeoutMsg=function(){return"Program exceeded run time limit."};goog.exportSymbol("Sk.timeoutMsg",Sk.timeoutMsg);Sk.execLimit=Number.POSITIVE_INFINITY;Sk.yieldLimit=Number.POSITIVE_INFINITY;Sk.output=function(a){};
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+goog.exportSymbol("Sk.python3",Sk.python3);goog.exportSymbol("Sk.inputfun",Sk.inputfun);void 0===Sk.builtin&&(Sk.builtin={});
+Sk.dunderToSkulpt={__eq__:"ob$eq",__ne__:"ob$ne",__lt__:"ob$lt",__le__:"ob$le",__gt__:"ob$gt",__ge__:"ob$ge",__hash__:"tp$hash",__abs__:"nb$abs",__neg__:"nb$negative",__pos__:"nb$positive",__int__:"nb$int_",__long__:"nb$lng",__float__:"nb$float_",__add__:"nb$add",__radd__:"nb$reflected_add",__sub__:"nb$subtract",__rsub__:"nb$reflected_subtract",__mul__:"nb$multiply",__rmul__:"nb$reflected_multiply",__div__:"nb$divide",__rdiv__:"nb$reflected_divide",__floordiv__:"nb$floor_divide",__rfloordiv__:"nb$reflected_floor_divide",
+__mod__:"nb$remainder",__rmod__:"nb$reflected_remainder",__divmod__:"nb$divmod",__rdivmod__:"nb$reflected_divmod",__pow__:"nb$power",__rpow__:"nb$reflected_power",__contains__:"sq$contains",__len__:"sq$length"};
+Sk.builtin.type=function(a,b,c){var d,e;if(void 0===b&&void 0===c)return a.ob$type;if("dict"!==c.tp$name)throw new Sk.builtin.TypeError("type() argument 3 must be dict, not "+Sk.abstr.typeName(c));if(!Sk.builtin.checkString(a))throw new Sk.builtin.TypeError("type() argument 1 must be str, not "+Sk.abstr.typeName(a));if("tuple"!==b.tp$name)throw new Sk.builtin.TypeError("type() argument 2 must be tuple, not "+Sk.abstr.typeName(b));d=function(a,b,c,e,f){var g,h=this;if(!(this instanceof d))return new d(a,
+b,c,e,f);e=e||[];h.$d=new Sk.builtin.dict([]);void 0!==d.prototype.tp$base&&(d.prototype.tp$base.sk$klass?d.prototype.tp$base.call(this,a,b,c,e.slice(),f):(g=e.slice(),g.unshift(d,this),Sk.abstr.superConstructor.apply(void 0,g)));g=Sk.builtin.type.typeLookup(h.ob$type,"__init__");return void 0!==g?(e.unshift(h),a=Sk.misceval.applyOrSuspend(g,a,b,c,e),function w(a){return a instanceof Sk.misceval.Suspension?f?new Sk.misceval.Suspension(w,a):Sk.misceval.retryOptionalSuspensionOrThrow(a):h}(a)):h};var f=
+Sk.ffi.remapToJs(a);e=!1;0===b.v.length&&Sk.python3&&(e=!0,Sk.abstr.setUpInheritance(f,d,Sk.builtin.object));var g,h,k,l=[];h=b.tp$iter();for(g=h.tp$iternext();void 0!==g;g=h.tp$iternext())if(void 0===k&&(k=g),g.prototype instanceof Sk.builtin.object||g===Sk.builtin.object){for(;g.sk$klass&&g.prototype.tp$base;)g=g.prototype.tp$base;!g.sk$klass&&0>l.indexOf(g)&&l.push(g);e=!0}if(1<l.length)throw new Sk.builtin.TypeError("Multiple inheritance with more than one builtin type is unsupported");void 0!==
+k&&(goog.inherits(d,k),k.prototype instanceof Sk.builtin.object||k===Sk.builtin.object)&&(d.prototype.tp$base=k);d.prototype.tp$name=f;d.prototype.ob$type=Sk.builtin.type.makeIntoTypeObj(f,d);e||(d.prototype.tp$getattr=Sk.builtin.object.prototype.GenericGetAttr,d.prototype.tp$setattr=Sk.builtin.object.prototype.GenericSetAttr);var m=new Sk.builtin.str("__module__");void 0===c.mp$lookup(m)&&c.mp$ass_subscript(m,Sk.globals.__name__);h=c.tp$iter();for(g=h.tp$iternext();void 0!==g;g=h.tp$iternext())e=
+c.mp$subscript(g),void 0===e&&(e=null),d.prototype[g.v]=e,d[g.v]=e;d.__class__=d;d.__name__=a;d.sk$klass=!0;d.prototype.tp$descr_get=function(){goog.asserts.fail("in type tp$descr_get")};d.prototype.$r=function(){var a,b;a=this.tp$getattr("__repr__");if(void 0!==a&&a.im_func!==Sk.builtin.object.prototype.__repr__)return Sk.misceval.apply(a,void 0,void 0,void 0,[]);if(void 0!==d.prototype.tp$base&&d.prototype.tp$base!==Sk.builtin.object&&void 0!==d.prototype.tp$base.prototype.$r)return d.prototype.tp$base.prototype.$r.call(this);
+b=c.mp$subscript(m);a="";b&&(a=b.v+".");return new Sk.builtin.str("<"+a+f+" object>")};d.prototype.tp$str=function(){var a=this.tp$getattr("__str__");return void 0!==a&&a.im_func!==Sk.builtin.object.prototype.__str__?Sk.misceval.apply(a,void 0,void 0,void 0,[]):void 0!==d.prototype.tp$base&&d.prototype.tp$base!==Sk.builtin.object&&void 0!==d.prototype.tp$base.prototype.tp$str?d.prototype.tp$base.prototype.tp$str.call(this):this.$r()};d.prototype.tp$length=function(){var a;a=this.tp$getattr("__len__");
+if(void 0!==a)return Sk.misceval.apply(a,void 0,void 0,void 0,[]);a=Sk.abstr.typeName(this);throw new Sk.builtin.AttributeError(a+" instance has no attribute '__len__'");};d.prototype.tp$call=function(a,b){var c=this.tp$getattr("__call__");if(c)return Sk.misceval.apply(c,void 0,void 0,b,a);throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(this)+"' object is not callable");};d.prototype.tp$iter=function(){var a;a=this.tp$getattr("__iter__");var b=Sk.abstr.typeName(this);if(a)return a=Sk.misceval.callsim(a);
+throw new Sk.builtin.TypeError("'"+b+"' object is not iterable");};d.prototype.tp$iternext=function(a){var b,c=this.tp$getattr("next");if(c)return b=Sk.misceval.tryCatch(function(){return Sk.misceval.callsimOrSuspend(c)},function(a){if(!(a instanceof Sk.builtin.StopIteration))throw a;}),a?b:Sk.misceval.retryOptionalSuspensionOrThrow(b)};d.prototype.tp$getitem=function(a,b){var c=this.tp$getattr("__getitem__");if(void 0!==c)return c=Sk.misceval.applyOrSuspend(c,void 0,void 0,void 0,[a]),b?c:Sk.misceval.retryOptionalSuspensionOrThrow(c);
+throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(this)+"' object does not support indexing");};d.prototype.tp$setitem=function(a,b,c){var d=this.tp$getattr("__setitem__");if(void 0!==d)return a=Sk.misceval.applyOrSuspend(d,void 0,void 0,void 0,[a,b]),c?a:Sk.misceval.retryOptionalSuspensionOrThrow(a);throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(this)+"' object does not support item assignment");};b&&(d.$d=new Sk.builtin.dict([]),d.$d.mp$ass_subscript(Sk.builtin.type.basesStr_,b),a=Sk.builtin.type.buildMRO(d),
+d.$d.mp$ass_subscript(Sk.builtin.type.mroStr_,a),d.tp$mro=a);d.tp$setattr=Sk.builtin.type.prototype.tp$setattr;a=function(a,b,c){d.prototype[a]=function(){var a=Array.prototype.slice.call(arguments);a.unshift(c,this);return Sk.misceval.callsim.apply(void 0,a)}};for(var p in Sk.dunderToSkulpt)b=Sk.dunderToSkulpt[p],d[p]&&a(b,p,d[p]);return d};Sk.builtin.type.makeTypeObj=function(a,b){Sk.builtin.type.makeIntoTypeObj(a,b);return b};
+Sk.builtin.type.makeIntoTypeObj=function(a,b){goog.asserts.assert(void 0!==a);goog.asserts.assert(void 0!==b);b.ob$type=Sk.builtin.type;b.tp$name=a;b.$r=function(){var a,d=b.__module__,e="";d&&(e=d.v+".");a="class";d||(b.sk$klass||Sk.python3)||(a="type");return new Sk.builtin.str("<"+a+" '"+e+b.tp$name+"'>")};b.tp$str=void 0;b.tp$getattr=Sk.builtin.type.prototype.tp$getattr;b.tp$setattr=Sk.builtin.object.prototype.GenericSetAttr;b.tp$richcompare=Sk.builtin.type.prototype.tp$richcompare;b.sk$type=
+!0;return b};Sk.builtin.type.ob$type=Sk.builtin.type;Sk.builtin.type.tp$name="type";Sk.builtin.type.$r=function(){return Sk.python3?new Sk.builtin.str("<class 'type'>"):new Sk.builtin.str("<type 'type'>")};Sk.builtin.type.prototype.tp$getattr=function(a){var b,c;if(this.$d&&(b=this.$d.mp$lookup(new Sk.builtin.str(a)),void 0!==b))return b;a=Sk.builtin.type.typeLookup(this,a);void 0!==a&&(null!==a&&void 0!==a.ob$type)&&(c=a.ob$type.tp$descr_get);if(c)return c.call(a,null,this);if(void 0!==a)return a};
+Sk.builtin.type.prototype.tp$setattr=function(a,b){this[a]=b};Sk.builtin.type.typeLookup=function(a,b){var c=a.tp$mro,d=new Sk.builtin.str(b),e,f,g;if(c)for(g=0;g<c.v.length;++g){e=c.v[g];if(e.hasOwnProperty(b))return e[b];f=e.$d.mp$lookup(d);if(void 0!==f)return f;if(e.prototype&&void 0!==e.prototype[b])return e.prototype[b]}else if(a.prototype)return a.prototype[b]};
+Sk.builtin.type.mroMerge_=function(a){for(var b,c,d,e,f,g,h=[];;){for(c=0;c<a.length&&(b=a[c],0===b.length);++c);if(c===a.length)return h;d=[];for(c=0;c<a.length;++c)if(b=a[c],0!==b.length){g=b[0];f=0;a:for(;f<a.length;++f)for(e=a[f],b=1;b<e.length;++b)if(e[b]===g)break a;f===a.length&&d.push(g)}if(0===d.length)throw new Sk.builtin.TypeError("Inconsistent precedences in type hierarchy");d=d[0];h.push(d);for(c=0;c<a.length;++c)b=a[c],0<b.length&&b[0]===d&&b.splice(0,1)}};
+Sk.builtin.type.buildMRO_=function(a){var b,c=[[a]],d=a.$d.mp$subscript(Sk.builtin.type.basesStr_);for(a=0;a<d.v.length;++a)c.push(Sk.builtin.type.buildMRO_(d.v[a]));b=[];for(a=0;a<d.v.length;++a)b.push(d.v[a]);c.push(b);return Sk.builtin.type.mroMerge_(c)};Sk.builtin.type.buildMRO=function(a){return new Sk.builtin.tuple(Sk.builtin.type.buildMRO_(a))};
+Sk.builtin.type.prototype.tp$richcompare=function(a,b){var c,d;if(a.ob$type==Sk.builtin.type&&this.$r&&a.$r)return d=this.$r(),c=a.$r(),d.tp$richcompare(c,b)};Sk.abstr={};Sk.abstr.typeName=function(a){return void 0!==a.tp$name?a.tp$name:"<invalid type>"};Sk.abstr.binop_type_error=function(a,b,c){a=Sk.abstr.typeName(a);b=Sk.abstr.typeName(b);throw new Sk.builtin.TypeError("unsupported operand type(s) for "+c+": '"+a+"' and '"+b+"'");};Sk.abstr.unop_type_error=function(a,b){var c=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("bad operand type for unary "+{UAdd:"+",USub:"-",Invert:"~"}[b]+": '"+c+"'");};
+Sk.abstr.boNameToSlotFuncLhs_=function(a,b){if(null!==a)switch(b){case "Add":return a.nb$add?a.nb$add:a.__add__;case "Sub":return a.nb$subtract?a.nb$subtract:a.__sub__;case "Mult":return a.nb$multiply?a.nb$multiply:a.__mul__;case "Div":return a.nb$divide?a.nb$divide:a.__div__;case "FloorDiv":return a.nb$floor_divide?a.nb$floor_divide:a.__floordiv__;case "Mod":return a.nb$remainder?a.nb$remainder:a.__mod__;case "DivMod":return a.nb$divmod?a.nb$divmod:a.__divmod__;case "Pow":return a.nb$power?a.nb$power:
+a.__pow__;case "LShift":return a.nb$lshift?a.nb$lshift:a.__lshift__;case "RShift":return a.nb$rshift?a.nb$rshift:a.__rshift__;case "BitAnd":return a.nb$and?a.nb$and:a.__and__;case "BitXor":return a.nb$xor?a.nb$xor:a.__xor__;case "BitOr":return a.nb$or?a.nb$or:a.__or__}};
+Sk.abstr.boNameToSlotFuncRhs_=function(a,b){if(null!==a)switch(b){case "Add":return a.nb$reflected_add?a.nb$reflected_add:a.__radd__;case "Sub":return a.nb$reflected_subtract?a.nb$reflected_subtract:a.__rsub__;case "Mult":return a.nb$reflected_multiply?a.nb$reflected_multiply:a.__rmul__;case "Div":return a.nb$reflected_divide?a.nb$reflected_divide:a.__rdiv__;case "FloorDiv":return a.nb$reflected_floor_divide?a.nb$reflected_floor_divide:a.__rfloordiv__;case "Mod":return a.nb$reflected_remainder?a.nb$reflected_remainder:
+a.__rmod__;case "DivMod":return a.nb$reflected_divmod?a.nb$reflected_divmod:a.__rdivmod__;case "Pow":return a.nb$reflected_power?a.nb$reflected_power:a.__rpow__;case "LShift":return a.nb$reflected_lshift?a.nb$reflected_lshift:a.__rlshift__;case "RShift":return a.nb$reflected_rshift?a.nb$reflected_rshift:a.__rrshift__;case "BitAnd":return a.nb$reflected_and?a.nb$reflected_and:a.__rand__;case "BitXor":return a.nb$reflected_xor?a.nb$reflected_xor:a.__rxor__;case "BitOr":return a.nb$reflected_or?a.nb$reflected_or:
+a.__ror__}};
+Sk.abstr.iboNameToSlotFunc_=function(a,b){switch(b){case "Add":return a.nb$inplace_add?a.nb$inplace_add:a.__iadd__;case "Sub":return a.nb$inplace_subtract?a.nb$inplace_subtract:a.__isub__;case "Mult":return a.nb$inplace_multiply?a.nb$inplace_multiply:a.__imul__;case "Div":return a.nb$inplace_divide?a.nb$inplace_divide:a.__idiv__;case "FloorDiv":return a.nb$inplace_floor_divide?a.nb$inplace_floor_divide:a.__ifloordiv__;case "Mod":return a.nb$inplace_remainder;case "Pow":return a.nb$inplace_power;case "LShift":return a.nb$inplace_lshift?
+a.nb$inplace_lshift:a.__ilshift__;case "RShift":return a.nb$inplace_rshift?a.nb$inplace_rshift:a.__irshift__;case "BitAnd":return a.nb$inplace_and;case "BitOr":return a.nb$inplace_or;case "BitXor":return a.nb$inplace_xor?a.nb$inplace_xor:a.__ixor__}};Sk.abstr.uoNameToSlotFunc_=function(a,b){if(null!==a)switch(b){case "USub":return a.nb$negative?a.nb$negative:a.__neg__;case "UAdd":return a.nb$positive?a.nb$positive:a.__pos__;case "Invert":return a.nb$invert?a.nb$invert:a.__invert__}};
+Sk.abstr.binary_op_=function(a,b,c){var d,e=b.constructor.prototype instanceof a.constructor;if(e&&(d=Sk.abstr.boNameToSlotFuncRhs_(b,c),void 0!==d&&(d=d.call?d.call(b,a):Sk.misceval.callsim(d,b,a),void 0!==d&&d!==Sk.builtin.NotImplemented.NotImplemented$)))return d;d=Sk.abstr.boNameToSlotFuncLhs_(a,c);if(void 0!==d&&(d=d.call?d.call(a,b):Sk.misceval.callsim(d,a,b),void 0!==d&&d!==Sk.builtin.NotImplemented.NotImplemented$)||!e&&(d=Sk.abstr.boNameToSlotFuncRhs_(b,c),void 0!==d&&(d=d.call?d.call(b,
+a):Sk.misceval.callsim(d,b,a),void 0!==d&&d!==Sk.builtin.NotImplemented.NotImplemented$)))return d;Sk.abstr.binop_type_error(a,b,c)};
+Sk.abstr.binary_iop_=function(a,b,c){var d;d=Sk.abstr.iboNameToSlotFunc_(a,c);if(void 0!==d&&(d=d.call?d.call(a,b):Sk.misceval.callsim(d,a,b),void 0!==d&&d!==Sk.builtin.NotImplemented.NotImplemented$))return d;d=Sk.abstr.iboNameToSlotFunc_(b,c);if(void 0!==d&&(d=d.call?d.call(b,a):Sk.misceval.callsim(d,b,a),void 0!==d&&d!==Sk.builtin.NotImplemented.NotImplemented$))return d;Sk.abstr.binop_type_error(a,b,c)};
+Sk.abstr.unary_op_=function(a,b){var c;c=Sk.abstr.uoNameToSlotFunc_(a,b);if(void 0!==c&&(c=c.call?c.call(a):Sk.misceval.callsim(c,a),void 0!==c))return c;Sk.abstr.unop_type_error(a,b)};
+Sk.abstr.numOpAndPromote=function(a,b,c){if(null!==a&&null!==b){if("number"===typeof a&&"number"===typeof b)return c=c(a,b),(c>Sk.builtin.int_.threshold$||c<-Sk.builtin.int_.threshold$)&&Math.floor(c)===c?[Sk.builtin.lng.fromInt$(a),Sk.builtin.lng.fromInt$(b)]:c;if(void 0===a||void 0===b)throw new Sk.builtin.NameError("Undefined variable in expression");if(a.constructor===Sk.builtin.lng)return[a,b];if(a.constructor!==Sk.builtin.int_&&a.constructor!==Sk.builtin.float_||b.constructor!==Sk.builtin.complex){if(a.constructor===
+Sk.builtin.int_||a.constructor===Sk.builtin.float_)return[a,b];if("number"===typeof a)return a=Sk.builtin.assk$(a),[a,b]}else return a=new Sk.builtin.complex(a),[a,b]}};
+Sk.abstr.boNumPromote_={Add:function(a,b){return a+b},Sub:function(a,b){return a-b},Mult:function(a,b){return a*b},Mod:function(a,b){var c;if(0===b)throw new Sk.builtin.ZeroDivisionError("division or modulo by zero");c=a%b;return 0>c*b?c+b:c},Div:function(a,b){if(0===b)throw new Sk.builtin.ZeroDivisionError("division or modulo by zero");return a/b},FloorDiv:function(a,b){if(0===b)throw new Sk.builtin.ZeroDivisionError("division or modulo by zero");return Math.floor(a/b)},Pow:Math.pow,BitAnd:function(a,
+b){var c=a&b;0>c&&(c+=4294967296);return c},BitOr:function(a,b){var c=a|b;0>c&&(c+=4294967296);return c},BitXor:function(a,b){var c=a^b;0>c&&(c+=4294967296);return c},LShift:function(a,b){var c;if(0>b)throw new Sk.builtin.ValueError("negative shift count");c=a<<b;return c>a?c:a*Math.pow(2,b)},RShift:function(a,b){var c;if(0>b)throw new Sk.builtin.ValueError("negative shift count");c=a>>b;0<a&&0>c&&(c&=Math.pow(2,32-b)-1);return c}};
+Sk.abstr.numberBinOp=function(a,b,c){var d;d=Sk.abstr.boNumPromote_[c];if(void 0!==d){d=Sk.abstr.numOpAndPromote(a,b,d);if("number"===typeof d)return d;if(void 0!==d&&d.constructor===Sk.builtin.int_||void 0!==d&&d.constructor===Sk.builtin.float_||void 0!==d&&d.constructor===Sk.builtin.lng)return d;void 0!==d&&(a=d[0],b=d[1])}return Sk.abstr.binary_op_(a,b,c)};goog.exportSymbol("Sk.abstr.numberBinOp",Sk.abstr.numberBinOp);
+Sk.abstr.numberInplaceBinOp=function(a,b,c){var d;d=Sk.abstr.boNumPromote_[c];if(void 0!==d){d=Sk.abstr.numOpAndPromote(a,b,d);if("number"===typeof d)return d;if(void 0!==d&&d.constructor===Sk.builtin.int_||void 0!==d&&d.constructor===Sk.builtin.float_||void 0!==d&&d.constructor===Sk.builtin.lng)return d;void 0!==d&&(a=d[0],b=d[1])}return Sk.abstr.binary_iop_(a,b,c)};goog.exportSymbol("Sk.abstr.numberInplaceBinOp",Sk.abstr.numberInplaceBinOp);
+Sk.abstr.numberUnaryOp=function(a,b){var c;if("Not"===b)return Sk.misceval.isTrue(a)?Sk.builtin.bool.false$:Sk.builtin.bool.true$;if(a instanceof Sk.builtin.bool){c=Sk.builtin.asnum$(a);if("USub"===b)return new Sk.builtin.int_(-c);if("UAdd"===b)return new Sk.builtin.int_(c);if("Invert"===b)return new Sk.builtin.int_(~c)}else{if("USub"===b&&a.nb$negative)return a.nb$negative();if("UAdd"===b&&a.nb$positive)return a.nb$positive();if("Invert"===b&&a.nb$invert)return a.nb$invert()}return Sk.abstr.unary_op_(a,
+b)};goog.exportSymbol("Sk.abstr.numberUnaryOp",Sk.abstr.numberUnaryOp);Sk.abstr.fixSeqIndex_=function(a,b){b=Sk.builtin.asnum$(b);0>b&&a.sq$length&&(b+=a.sq$length());return b};
+Sk.abstr.sequenceContains=function(a,b,c){var d;if(a.sq$contains)return a.sq$contains(b);d=Sk.abstr.lookupSpecial(a,"__contains__");if(null!=d)return Sk.misceval.isTrue(Sk.misceval.callsim(d,a,b));if(!Sk.builtin.checkIterable(a))throw c=Sk.abstr.typeName(a),new Sk.builtin.TypeError("argument of type '"+c+"' is not iterable");a=Sk.misceval.iterFor(Sk.abstr.iter(a),function(a){return Sk.misceval.richCompareBool(a,b,"Eq")?new Sk.misceval.Break(!0):!1},!1);return c?a:Sk.misceval.retryOptionalSuspensionOrThrow(a)};
+Sk.abstr.sequenceConcat=function(a,b){var c;if(a.sq$concat)return a.sq$concat(b);c=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("'"+c+"' object can't be concatenated");};
+Sk.abstr.sequenceGetIndexOf=function(a,b){var c,d,e;if(a.index)return Sk.misceval.callsim(a.index,a,b);if(Sk.builtin.checkIterable(a)){e=0;d=Sk.abstr.iter(a);for(c=d.tp$iternext();void 0!==c;c=d.tp$iternext()){if(Sk.misceval.richCompareBool(b,c,"Eq"))return new Sk.builtin.int_(e);e+=1}throw new Sk.builtin.ValueError("sequence.index(x): x not in sequence");}c=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("argument of type '"+c+"' is not iterable");};
+Sk.abstr.sequenceGetCountOf=function(a,b){var c,d,e;if(a.count)return Sk.misceval.callsim(a.count,a,b);if(Sk.builtin.checkIterable(a)){e=0;d=Sk.abstr.iter(a);for(c=d.tp$iternext();void 0!==c;c=d.tp$iternext())Sk.misceval.richCompareBool(b,c,"Eq")&&(e+=1);return new Sk.builtin.int_(e)}c=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("argument of type '"+c+"' is not iterable");};
+Sk.abstr.sequenceGetItem=function(a,b,c){if(a.mp$subscript)return a.mp$subscript(b);a=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("'"+a+"' object is unsubscriptable");};Sk.abstr.sequenceSetItem=function(a,b,c,d){if(a.mp$ass_subscript)return a.mp$ass_subscript(b,c);a=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("'"+a+"' object does not support item assignment");};
+Sk.abstr.sequenceDelItem=function(a,b){var c;if(a.sq$del_item)b=Sk.abstr.fixSeqIndex_(a,b),a.sq$del_item(b);else throw c=Sk.abstr.typeName(a),new Sk.builtin.TypeError("'"+c+"' object does not support item deletion");};Sk.abstr.sequenceRepeat=function(a,b,c){c=Sk.builtin.asnum$(c);if(void 0===Sk.misceval.asIndex(c))throw a=Sk.abstr.typeName(c),new Sk.builtin.TypeError("can't multiply sequence by non-int of type '"+a+"'");return a.call(b,c)};
+Sk.abstr.sequenceGetSlice=function(a,b,c){if(a.sq$slice)return b=Sk.abstr.fixSeqIndex_(a,b),c=Sk.abstr.fixSeqIndex_(a,c),a.sq$slice(b,c);if(a.mp$subscript)return a.mp$subscript(new Sk.builtin.slice(b,c));a=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("'"+a+"' object is unsliceable");};
+Sk.abstr.sequenceDelSlice=function(a,b,c){if(a.sq$del_slice)b=Sk.abstr.fixSeqIndex_(a,b),c=Sk.abstr.fixSeqIndex_(a,c),a.sq$del_slice(b,c);else throw a=Sk.abstr.typeName(a),new Sk.builtin.TypeError("'"+a+"' doesn't support slice deletion");};
+Sk.abstr.sequenceSetSlice=function(a,b,c,d){if(a.sq$ass_slice)b=Sk.abstr.fixSeqIndex_(a,b),c=Sk.abstr.fixSeqIndex_(a,c),a.sq$ass_slice(b,c,d);else if(a.mp$ass_subscript)a.mp$ass_subscript(new Sk.builtin.slice(b,c),d);else throw a=Sk.abstr.typeName(a),new Sk.builtin.TypeError("'"+a+"' object doesn't support slice assignment");};
+Sk.abstr.sequenceUnpack=function(a,b){var c=[],d,e;if(!Sk.builtin.checkIterable(a))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not iterable");d=Sk.abstr.iter(a);for(e=d.tp$iternext();void 0!==e&&c.length<b;e=d.tp$iternext())c.push(e);if(c.length<b)throw new Sk.builtin.ValueError("need more than "+c.length+" values to unpack");if(void 0!==e)throw new Sk.builtin.ValueError("too many values to unpack");return c};
+Sk.abstr.objectFormat=function(a,b){var c;null==b&&(b="");c=Sk.abstr.lookupSpecial(a,"__format__");if(null==c)throw new Sk.builtin.TypeError("Type "+Sk.abstr.typeName(a)+"doesn't define __format__");c=Sk.misceval.callsim(c,a,b);if(!Sk.builtin.checkString(c))throw new Sk.builtin.TypeError("__format__ must return a str, not "+Sk.abstr.typeName(c));return c};
+Sk.abstr.objectAdd=function(a,b){var c,d;if(a.nb$add)return a.nb$add(b);d=Sk.abstr.typeName(a);c=Sk.abstr.typeName(b);throw new Sk.builtin.TypeError("unsupported operand type(s) for +: '"+d+"' and '"+c+"'");};Sk.abstr.objectNegative=function(a){var b=Sk.builtin.asnum$(a);a instanceof Sk.builtin.bool&&(a=new Sk.builtin.int_(b));if(a.nb$negative)return a.nb$negative();a=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("bad operand type for unary -: '"+a+"'");};
+Sk.abstr.objectPositive=function(a){var b=Sk.abstr.typeName(a),c=Sk.builtin.asnum$(a);a instanceof Sk.builtin.bool&&(a=new Sk.builtin.int_(c));if(a.nb$negative)return a.nb$positive();throw new Sk.builtin.TypeError("bad operand type for unary +: '"+b+"'");};
+Sk.abstr.objectDelItem=function(a,b){var c;if(null!==a){if(a.mp$del_subscript){a.mp$del_subscript(b);return}if(a.sq$ass_item){c=Sk.misceval.asIndex(b);if(void 0===c)throw c=Sk.abstr.typeName(b),new Sk.builtin.TypeError("sequence index must be integer, not '"+c+"'");Sk.abstr.sequenceDelItem(a,c);return}}c=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("'"+c+"' object does not support item deletion");};goog.exportSymbol("Sk.abstr.objectDelItem",Sk.abstr.objectDelItem);
+Sk.abstr.objectGetItem=function(a,b,c){if(null!==a){if(a.tp$getitem)return a.tp$getitem(b,c);if(a.mp$subscript)return a.mp$subscript(b,c);if(Sk.misceval.isIndex(b)&&a.sq$item)return Sk.abstr.sequenceGetItem(a,Sk.misceval.asIndex(b),c)}a=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("'"+a+"' does not support indexing");};goog.exportSymbol("Sk.abstr.objectGetItem",Sk.abstr.objectGetItem);
+Sk.abstr.objectSetItem=function(a,b,c,d){if(null!==a){if(a.tp$setitem)return a.tp$setitem(b,c,d);if(a.mp$ass_subscript)return a.mp$ass_subscript(b,c,d);if(Sk.misceval.isIndex(b)&&a.sq$ass_item)return Sk.abstr.sequenceSetItem(a,Sk.misceval.asIndex(b),c,d)}a=Sk.abstr.typeName(a);throw new Sk.builtin.TypeError("'"+a+"' does not support item assignment");};goog.exportSymbol("Sk.abstr.objectSetItem",Sk.abstr.objectSetItem);
+Sk.abstr.gattr=function(a,b,c){var d,e,f=Sk.abstr.typeName(a);if(null===a)throw new Sk.builtin.AttributeError("'"+f+"' object has no attribute '"+b+"'");void 0!==a.tp$getattr&&(e=a.tp$getattr("__getattribute__"));void 0!==e&&(d=Sk.misceval.callsimOrSuspend(e,new Sk.builtin.str(b)));d=Sk.misceval.chain(d,function(c){var d;void 0===c&&void 0!==a.tp$getattr&&(c=a.tp$getattr(b),void 0===c&&(d=a.tp$getattr("__getattr__"),void 0!==d&&(c=Sk.misceval.callsimOrSuspend(d,new Sk.builtin.str(b)))));return c},
+function(a){if(void 0===a)throw new Sk.builtin.AttributeError("'"+f+"' object has no attribute '"+b+"'");return a});return c?d:Sk.misceval.retryOptionalSuspensionOrThrow(d)};goog.exportSymbol("Sk.abstr.gattr",Sk.abstr.gattr);
+Sk.abstr.sattr=function(a,b,c,d){var e=Sk.abstr.typeName(a),f;if(null===a)throw new Sk.builtin.AttributeError("'"+e+"' object has no attribute '"+b+"'");if(void 0!==a.tp$getattr&&(f=a.tp$getattr("__setattr__"),void 0!==f))return a=Sk.misceval.callsimOrSuspend(f,new Sk.builtin.str(b),c),d?a:Sk.misceval.retryOptionalSuspensionOrThrow(a);if(void 0!==a.tp$setattr)a.tp$setattr(b,c);else throw new Sk.builtin.AttributeError("'"+e+"' object has no attribute '"+b+"'");};
+goog.exportSymbol("Sk.abstr.sattr",Sk.abstr.sattr);Sk.abstr.iternext=function(a,b){return a.tp$iternext(b)};goog.exportSymbol("Sk.abstr.iternext",Sk.abstr.iternext);
+Sk.abstr.iter=function(a){var b,c,d=function(a){this.idx=0;this.myobj=a;this.getitem=Sk.abstr.lookupSpecial(a,"__getitem__");this.tp$iternext=function(){var a;try{a=Sk.misceval.callsim(this.getitem,this.myobj,Sk.ffi.remapToPy(this.idx))}catch(b){if(b instanceof Sk.builtin.IndexError||b instanceof Sk.builtin.StopIteration)return;throw b;}this.idx++;return a}};if(a.tp$getattr&&(b=Sk.abstr.lookupSpecial(a,"__iter__"))&&(c=Sk.misceval.callsim(b,a),c.tp$iternext))return c;if(a.tp$iter)try{if(c=a.tp$iter(),
+c.tp$iternext)return c}catch(e){}if(Sk.abstr.lookupSpecial(a,"__getitem__"))return new d(a);throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not iterable");};goog.exportSymbol("Sk.abstr.iter",Sk.abstr.iter);Sk.abstr.lookupSpecial=function(a,b){var c;if(a.ob$type)c=a.ob$type;else return null;return Sk.builtin.type.typeLookup(c,b)};goog.exportSymbol("Sk.abstr.lookupSpecial",Sk.abstr.lookupSpecial);
+Sk.abstr.markUnhashable=function(a){a=a.prototype;a.__hash__=Sk.builtin.none.none$;a.tp$hash=Sk.builtin.none.none$};Sk.abstr.setUpInheritance=function(a,b,c){goog.inherits(b,c);b.prototype.tp$base=c;b.prototype.tp$name=a;b.prototype.ob$type=Sk.builtin.type.makeIntoTypeObj(a,b)};Sk.abstr.superConstructor=function(a,b,c){var d=Array.prototype.slice.call(arguments,2);a.prototype.tp$base.apply(b,d)};Sk.builtin.object=function(){return this instanceof Sk.builtin.object?this:new Sk.builtin.object};
+Sk.builtin.object.prototype.GenericGetAttr=function(a){var b,c,d,e,f=new Sk.builtin.str(a);goog.asserts.assert("string"===typeof a);d=this.ob$type;goog.asserts.assert(void 0!==d,"object has no ob$type!");if(e=this.$d||this.constructor.$d){if(e.mp$lookup)b=e.mp$lookup(f);else if(e.mp$subscript)try{b=e.mp$subscript(f)}catch(g){b=void 0}else"object"===typeof e&&(b=e[a]);if(void 0!==b)return b}a=Sk.builtin.type.typeLookup(d,a);void 0!==a&&(null!==a&&void 0!==a.ob$type)&&(c=a.ob$type.tp$descr_get);if(c)return c.call(a,
+this,this.ob$type);if(void 0!==a)return a};goog.exportSymbol("Sk.builtin.object.prototype.GenericGetAttr",Sk.builtin.object.prototype.GenericGetAttr);Sk.builtin.object.prototype.GenericPythonGetAttr=function(a,b){return Sk.builtin.object.prototype.GenericGetAttr.call(a,b.v)};goog.exportSymbol("Sk.builtin.object.prototype.GenericPythonGetAttr",Sk.builtin.object.prototype.GenericPythonGetAttr);
+Sk.builtin.object.prototype.GenericSetAttr=function(a,b){var c=Sk.abstr.typeName(this),d,e;goog.asserts.assert("string"===typeof a);e=this.$d||this.constructor.$d;if(e.mp$ass_subscript){d=new Sk.builtin.str(a);if(this instanceof Sk.builtin.object&&!this.ob$type.sk$klass&&void 0===e.mp$lookup(d))throw new Sk.builtin.AttributeError("'"+c+"' object has no attribute '"+a+"'");e.mp$ass_subscript(new Sk.builtin.str(a),b)}else"object"===typeof e&&(e[a]=b)};
+goog.exportSymbol("Sk.builtin.object.prototype.GenericSetAttr",Sk.builtin.object.prototype.GenericSetAttr);Sk.builtin.object.prototype.GenericPythonSetAttr=function(a,b,c){return Sk.builtin.object.prototype.GenericSetAttr.call(a,b.v,c)};goog.exportSymbol("Sk.builtin.object.prototype.GenericPythonSetAttr",Sk.builtin.object.prototype.GenericPythonSetAttr);Sk.builtin.object.prototype.HashNotImplemented=function(){throw new Sk.builtin.TypeError("unhashable type: '"+Sk.abstr.typeName(this)+"'");};
+Sk.builtin.object.prototype.tp$getattr=Sk.builtin.object.prototype.GenericGetAttr;Sk.builtin.object.prototype.tp$setattr=Sk.builtin.object.prototype.GenericSetAttr;Sk.builtin.object.prototype.__getattr__=Sk.builtin.object.prototype.GenericPythonGetAttr;Sk.builtin.object.prototype.__setattr__=Sk.builtin.object.prototype.GenericPythonSetAttr;Sk.builtin.object.prototype.tp$name="object";Sk.builtin.object.prototype.ob$type=Sk.builtin.type.makeIntoTypeObj("object",Sk.builtin.object);
+Sk.builtin.object.prototype.ob$type.sk$klass=void 0;Sk.builtin.object.prototype.__repr__=function(a){Sk.builtin.pyCheckArgs("__repr__",arguments,0,0,!1,!0);return a.$r()};Sk.builtin.object.prototype.__str__=function(a){Sk.builtin.pyCheckArgs("__str__",arguments,0,0,!1,!0);return a.$r()};Sk.builtin.object.prototype.__hash__=function(a){Sk.builtin.pyCheckArgs("__hash__",arguments,0,0,!1,!0);return a.tp$hash()};
+Sk.builtin.object.prototype.__eq__=function(a,b){Sk.builtin.pyCheckArgs("__eq__",arguments,1,1,!1,!0);return a.ob$eq(b)};Sk.builtin.object.prototype.__ne__=function(a,b){Sk.builtin.pyCheckArgs("__ne__",arguments,1,1,!1,!0);return a.ob$ne(b)};Sk.builtin.object.prototype.__lt__=function(a,b){Sk.builtin.pyCheckArgs("__lt__",arguments,1,1,!1,!0);return a.ob$lt(b)};Sk.builtin.object.prototype.__le__=function(a,b){Sk.builtin.pyCheckArgs("__le__",arguments,1,1,!1,!0);return a.ob$le(b)};
+Sk.builtin.object.prototype.__gt__=function(a,b){Sk.builtin.pyCheckArgs("__gt__",arguments,1,1,!1,!0);return a.ob$gt(b)};Sk.builtin.object.prototype.__ge__=function(a,b){Sk.builtin.pyCheckArgs("__ge__",arguments,1,1,!1,!0);return a.ob$ge(b)};Sk.builtin.object.prototype.$r=function(){return new Sk.builtin.str("<object>")};Sk.builtin.hashCount=1;Sk.builtin.object.prototype.tp$hash=function(){this.$savedHash_||(this.$savedHash_=new Sk.builtin.int_(Sk.builtin.hashCount++));return this.$savedHash_};
+Sk.builtin.object.prototype.ob$eq=function(a){return this===a?Sk.builtin.bool.true$:Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.object.prototype.ob$ne=function(a){return this===a?Sk.builtin.bool.false$:Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.object.prototype.ob$lt=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.object.prototype.ob$le=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.object.prototype.ob$gt=function(a){return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.object.prototype.ob$ge=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.object.pythonFunctions="__repr__ __str__ __hash__ __eq__ __ne__ __lt__ __le__ __gt__ __ge__ __getattr__ __setattr__".split(" ");Sk.builtin.none=function(){this.v=null};Sk.abstr.setUpInheritance("NoneType",Sk.builtin.none,Sk.builtin.object);Sk.builtin.none.prototype.$r=function(){return new Sk.builtin.str("None")};Sk.builtin.none.prototype.tp$hash=function(){return new Sk.builtin.int_(0)};
+Sk.builtin.none.none$=new Sk.builtin.none;Sk.builtin.NotImplemented=function(){};Sk.abstr.setUpInheritance("NotImplementedType",Sk.builtin.NotImplemented,Sk.builtin.object);Sk.builtin.NotImplemented.prototype.$r=function(){return new Sk.builtin.str("NotImplemented")};Sk.builtin.NotImplemented.NotImplemented$=new Sk.builtin.NotImplemented;goog.exportSymbol("Sk.builtin.none",Sk.builtin.none);goog.exportSymbol("Sk.builtin.NotImplemented",Sk.builtin.NotImplemented);Sk.builtin.pyCheckArgs=function(a,b,c,d,e,f){b=b.length;var g="";void 0===d&&(d=Infinity);e&&(b-=1);f&&(b-=1);if(b<c||b>d)throw g=(c===d?a+"() takes exactly "+c+" arguments":b<c?a+"() takes at least "+c+" arguments":a+"() takes at most "+d+" arguments")+(" ("+b+" given)"),new Sk.builtin.TypeError(g);};goog.exportSymbol("Sk.builtin.pyCheckArgs",Sk.builtin.pyCheckArgs);Sk.builtin.pyCheckType=function(a,b,c){if(!c)throw new Sk.builtin.TypeError(a+" must be a "+b);};
+goog.exportSymbol("Sk.builtin.pyCheckType",Sk.builtin.pyCheckType);Sk.builtin.checkSequence=function(a){return null!==a&&void 0!==a.mp$subscript};goog.exportSymbol("Sk.builtin.checkSequence",Sk.builtin.checkSequence);Sk.builtin.checkIterable=function(a){var b=!1;if(null!==a)try{return(b=Sk.abstr.iter(a))?!0:!1}catch(c){if(c instanceof Sk.builtin.TypeError)return!1;throw c;}return b};goog.exportSymbol("Sk.builtin.checkIterable",Sk.builtin.checkIterable);
+Sk.builtin.checkCallable=function(a){return"function"===typeof a?!(a instanceof Sk.builtin.none)&&void 0!==a.ob$type:void 0!==a.tp$call||void 0!==a.__call__};Sk.builtin.checkNumber=function(a){return null!==a&&("number"===typeof a||a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_||a instanceof Sk.builtin.lng)};goog.exportSymbol("Sk.builtin.checkNumber",Sk.builtin.checkNumber);Sk.builtin.checkComplex=function(a){return Sk.builtin.complex._complex_check(a)};
+goog.exportSymbol("Sk.builtin.checkComplex",Sk.builtin.checkComplex);Sk.builtin.checkInt=function(a){return null!==a&&("number"===typeof a&&a===(a|0)||a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng)};goog.exportSymbol("Sk.builtin.checkInt",Sk.builtin.checkInt);Sk.builtin.checkFloat=function(a){return null!==a&&a instanceof Sk.builtin.float_};goog.exportSymbol("Sk.builtin.checkFloat",Sk.builtin.checkFloat);Sk.builtin.checkString=function(a){return null!==a&&a.__class__==Sk.builtin.str};
+goog.exportSymbol("Sk.builtin.checkString",Sk.builtin.checkString);Sk.builtin.checkClass=function(a){return null!==a&&a.sk$type};goog.exportSymbol("Sk.builtin.checkClass",Sk.builtin.checkClass);Sk.builtin.checkBool=function(a){return a instanceof Sk.builtin.bool};goog.exportSymbol("Sk.builtin.checkBool",Sk.builtin.checkBool);Sk.builtin.checkNone=function(a){return a instanceof Sk.builtin.none};goog.exportSymbol("Sk.builtin.checkNone",Sk.builtin.checkNone);
+Sk.builtin.checkFunction=function(a){return null!==a&&void 0!==a.tp$call};goog.exportSymbol("Sk.builtin.checkFunction",Sk.builtin.checkFunction);Sk.builtin.func=function(a,b,c,d){var e;this.func_code=a;this.func_globals=b||null;if(void 0!==d)for(e in d)c[e]=d[e];this.func_closure=c;return this};goog.exportSymbol("Sk.builtin.func",Sk.builtin.func);Sk.builtin.func.prototype.tp$name="function";
+Sk.builtin.func.prototype.tp$descr_get=function(a,b){goog.asserts.assert(void 0!==a&&void 0!==b);return null==a?this:new Sk.builtin.method(this,a)};
+Sk.builtin.func.prototype.tp$call=function(a,b){var c,d,e,f,g,h,k;this.func_closure&&a.push(this.func_closure);k=this.func_code.co_kwargs;h=[];if(this.func_code.no_kw&&b)throw c=this.func_code&&this.func_code.co_name&&this.func_code.co_name.v||"<native JS>",new Sk.builtin.TypeError(c+"() takes no keyword arguments");if(b)for(g=b.length,e=(f=this.func_code.co_varnames)&&f.length,d=0;d<g;d+=2){for(c=0;c<e&&b[d]!==f[c];++c);if(f&&c!==e){if(c in a)throw c=this.func_code&&this.func_code.co_name&&this.func_code.co_name.v||
+"<native JS>",new Sk.builtin.TypeError(c+"() got multiple values for keyword argument '"+b[d]+"'");a[c]=b[d+1]}else if(k)h.push(new Sk.builtin.str(b[d])),h.push(b[d+1]);else throw c=this.func_code&&this.func_code.co_name&&this.func_code.co_name.v||"<native JS>",new Sk.builtin.TypeError(c+"() got an unexpected keyword argument '"+b[d]+"'");}k&&a.unshift(h);return this.func_code.apply(this.func_globals,a)};Sk.builtin.func.prototype.tp$getattr=function(a){return this[a]};
+Sk.builtin.func.prototype.tp$setattr=function(a,b){this[a]=b};Sk.builtin.func.prototype.ob$type=Sk.builtin.type.makeTypeObj("function",new Sk.builtin.func(null,null));Sk.builtin.func.prototype.$r=function(){return new Sk.builtin.str("<function "+(this.func_code&&this.func_code.co_name&&this.func_code.co_name.v||"<native JS>")+">")};Sk.builtin.range=function(a,b,c){var d=[],e;Sk.builtin.pyCheckArgs("range",arguments,1,3);Sk.builtin.pyCheckType("start","integer",Sk.builtin.checkInt(a));void 0!==b&&Sk.builtin.pyCheckType("stop","integer",Sk.builtin.checkInt(b));void 0!==c&&Sk.builtin.pyCheckType("step","integer",Sk.builtin.checkInt(c));a=Sk.builtin.asnum$(a);b=Sk.builtin.asnum$(b);c=Sk.builtin.asnum$(c);void 0===b&&void 0===c?(b=a,a=0,c=1):void 0===c&&(c=1);if(0===c)throw new Sk.builtin.ValueError("range() step argument must not be zero");
+if(0<c)for(e=a;e<b;e+=c)d.push(new Sk.builtin.int_(e));else for(e=a;e>b;e+=c)d.push(new Sk.builtin.int_(e));return new Sk.builtin.list(d)};
+Sk.builtin.asnum$=function(a){return void 0===a||null===a?a:a instanceof Sk.builtin.none?null:a instanceof Sk.builtin.bool?a.v?1:0:"number"===typeof a?a:"string"===typeof a?a:a instanceof Sk.builtin.int_?a.v:a instanceof Sk.builtin.float_?a.v:a instanceof Sk.builtin.lng?a.cantBeInt()?a.str$(10,!0):a.toInt$():a.constructor===Sk.builtin.biginteger?0<a.trueCompare(new Sk.builtin.biginteger(Sk.builtin.int_.threshold$))||0>a.trueCompare(new Sk.builtin.biginteger(-Sk.builtin.int_.threshold$))?a.toString():
+a.intValue():a};goog.exportSymbol("Sk.builtin.asnum$",Sk.builtin.asnum$);Sk.builtin.assk$=function(a){return 0===a%1?new Sk.builtin.int_(a):new Sk.builtin.float_(a)};goog.exportSymbol("Sk.builtin.assk$",Sk.builtin.assk$);
+Sk.builtin.asnum$nofloat=function(a){var b,c;if(void 0===a||null===a)return a;if(a.constructor===Sk.builtin.none)return null;if(a.constructor===Sk.builtin.bool)return a.v?1:0;"number"===typeof a&&(a=a.toString());a.constructor===Sk.builtin.int_&&(a=a.v.toString());a.constructor===Sk.builtin.float_&&(a=a.v.toString());a.constructor===Sk.builtin.lng&&(a=a.str$(10,!0));a.constructor===Sk.builtin.biginteger&&(a=a.toString());if(0>a.indexOf(".")&&0>a.indexOf("e")&&0>a.indexOf("E"))return a;c=0;0<=a.indexOf("e")?
+(b=a.substr(0,a.indexOf("e")),c=a.substr(a.indexOf("e")+1)):0<=a.indexOf("E")?(b=a.substr(0,a.indexOf("e")),c=a.substr(a.indexOf("E")+1)):b=a;c=parseInt(c,10);a=b.indexOf(".");if(0>a){if(0<=c){for(;0<c--;)b+="0";return b}return b.length>-c?b.substr(0,b.length+c):0}b=0===a?b.substr(1):a<b.length?b.substr(0,a)+b.substr(a+1):b.substr(0,a);for(a+=c;a>b.length;)b+="0";return b=0>=a?0:b.substr(0,a)};goog.exportSymbol("Sk.builtin.asnum$nofloat",Sk.builtin.asnum$nofloat);
+Sk.builtin.round=function(a,b){var c;Sk.builtin.pyCheckArgs("round",arguments,1,2);if(!Sk.builtin.checkNumber(a))throw new Sk.builtin.TypeError("a float is required");if(void 0!==b&&!Sk.misceval.isIndex(b))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(b)+"' object cannot be interpreted as an index");void 0===b&&(b=0);if(a.__round__)return a.__round__(a,b);c=Sk.abstr.lookupSpecial(a,"__round__");if(null!=c)return Sk.misceval.callsim(c,a,b)};
+Sk.builtin.len=function(a){Sk.builtin.pyCheckArgs("len",arguments,1,1);if(a.sq$length)return new Sk.builtin.int_(a.sq$length());if(a.mp$length)return new Sk.builtin.int_(a.mp$length());if(a.tp$length)return new Sk.builtin.int_(a.tp$length());throw new Sk.builtin.TypeError("object of type '"+Sk.abstr.typeName(a)+"' has no len()");};
+Sk.builtin.min=function(){var a,b,c;Sk.builtin.pyCheckArgs("min",arguments,1);c=Sk.misceval.arrayFromArguments(arguments);b=c[0];if(void 0===b)throw new Sk.builtin.ValueError("min() arg is an empty sequence");for(a=1;a<c.length;++a)Sk.misceval.richCompareBool(c[a],b,"Lt")&&(b=c[a]);return b};
+Sk.builtin.max=function(){var a,b,c;Sk.builtin.pyCheckArgs("max",arguments,1);c=Sk.misceval.arrayFromArguments(arguments);b=c[0];if(void 0===b)throw new Sk.builtin.ValueError("max() arg is an empty sequence");for(a=1;a<c.length;++a)Sk.misceval.richCompareBool(c[a],b,"Gt")&&(b=c[a]);return b};
+Sk.builtin.any=function(a){var b,c;Sk.builtin.pyCheckArgs("any",arguments,1,1);if(!Sk.builtin.checkIterable(a))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not iterable");b=Sk.abstr.iter(a);for(c=b.tp$iternext();void 0!==c;c=b.tp$iternext())if(Sk.misceval.isTrue(c))return Sk.builtin.bool.true$;return Sk.builtin.bool.false$};
+Sk.builtin.all=function(a){var b,c;Sk.builtin.pyCheckArgs("all",arguments,1,1);if(!Sk.builtin.checkIterable(a))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not iterable");b=Sk.abstr.iter(a);for(c=b.tp$iternext();void 0!==c;c=b.tp$iternext())if(!Sk.misceval.isTrue(c))return Sk.builtin.bool.false$;return Sk.builtin.bool.true$};
+Sk.builtin.sum=function(a,b){var c,d,e,f,g;Sk.builtin.pyCheckArgs("sum",arguments,1,2);Sk.builtin.pyCheckType("iter","iterable",Sk.builtin.checkIterable(a));if(void 0!==b&&Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("sum() can't sum strings [use ''.join(seq) instead]");c=void 0===b?new Sk.builtin.int_(0):b;e=Sk.abstr.iter(a);for(f=e.tp$iternext();void 0!==f;f=e.tp$iternext()){f instanceof Sk.builtin.float_?(g=!0,c instanceof Sk.builtin.float_||(c=new Sk.builtin.float_(Sk.builtin.asnum$(c)))):
+f instanceof Sk.builtin.lng&&(g||c instanceof Sk.builtin.lng||(c=new Sk.builtin.lng(c)));if(void 0!==c.nb$add&&(d=c.nb$add(f),void 0!==d&&d!==Sk.builtin.NotImplemented.NotImplemented$)){c=c.nb$add(f);continue}throw new Sk.builtin.TypeError("unsupported operand type(s) for +: '"+Sk.abstr.typeName(c)+"' and '"+Sk.abstr.typeName(f)+"'");}return c};
+Sk.builtin.zip=function(){var a,b,c,d,e,f;if(0===arguments.length)return new Sk.builtin.list([]);f=[];for(e=0;e<arguments.length;e++)if(Sk.builtin.checkIterable(arguments[e]))f.push(Sk.abstr.iter(arguments[e]));else throw new Sk.builtin.TypeError("argument "+e+" must support iteration");d=[];for(c=!1;!c;){b=[];for(e=0;e<arguments.length;e++){a=f[e].tp$iternext();if(void 0===a){c=!0;break}b.push(a)}c||d.push(new Sk.builtin.tuple(b))}return new Sk.builtin.list(d)};
+Sk.builtin.abs=function(a){Sk.builtin.pyCheckArgs("abs",arguments,1,1);if(a instanceof Sk.builtin.int_)return new Sk.builtin.int_(Math.abs(a.v));if(a instanceof Sk.builtin.float_)return new Sk.builtin.float_(Math.abs(a.v));if(Sk.builtin.checkNumber(a))return Sk.builtin.assk$(Math.abs(Sk.builtin.asnum$(a)));if(Sk.builtin.checkComplex(a))return Sk.misceval.callsim(a.__abs__,a);if(a.tp$getattr){var b=a.tp$getattr("__abs__");return Sk.misceval.callsim(b)}throw new TypeError("bad operand type for abs(): '"+
+Sk.abstr.typeName(a)+"'");};Sk.builtin.ord=function(a){Sk.builtin.pyCheckArgs("ord",arguments,1,1);if(!Sk.builtin.checkString(a))throw new Sk.builtin.TypeError("ord() expected a string of length 1, but "+Sk.abstr.typeName(a)+" found");if(1!==a.v.length)throw new Sk.builtin.TypeError("ord() expected a character, but string of length "+a.v.length+" found");return new Sk.builtin.int_(a.v.charCodeAt(0))};
+Sk.builtin.chr=function(a){Sk.builtin.pyCheckArgs("chr",arguments,1,1);if(!Sk.builtin.checkInt(a))throw new Sk.builtin.TypeError("an integer is required");a=Sk.builtin.asnum$(a);if(0>a||255<a)throw new Sk.builtin.ValueError("chr() arg not in range(256)");return new Sk.builtin.str(String.fromCharCode(a))};
+Sk.builtin.unichr=function(a){Sk.builtin.pyCheckArgs("chr",arguments,1,1);if(!Sk.builtin.checkInt(a))throw new Sk.builtin.TypeError("an integer is required");a=Sk.builtin.asnum$(a);try{return new Sk.builtin.str(String.fromCodePoint(a))}catch(b){if(b instanceof RangeError)throw new Sk.builtin.ValueError(b.message);throw b;}};
+Sk.builtin.int2str_=function(a,b,c){var d,e="";if(a instanceof Sk.builtin.lng)return d="",2!==b&&(d="L"),e=a.str$(b,!1),a.nb$isnegative()?new Sk.builtin.str("-"+c+e+d):new Sk.builtin.str(c+e+d);a=Sk.misceval.asIndex(a);e=a.toString(b);return 0>a?new Sk.builtin.str("-"+c+e.slice(1)):new Sk.builtin.str(c+e)};
+Sk.builtin.hex=function(a){Sk.builtin.pyCheckArgs("hex",arguments,1,1);if(!Sk.misceval.isIndex(a))throw new Sk.builtin.TypeError("hex() argument can't be converted to hex");return Sk.builtin.int2str_(a,16,"0x")};Sk.builtin.oct=function(a){Sk.builtin.pyCheckArgs("oct",arguments,1,1);if(!Sk.misceval.isIndex(a))throw new Sk.builtin.TypeError("oct() argument can't be converted to hex");return Sk.builtin.int2str_(a,8,"0")};
+Sk.builtin.bin=function(a){Sk.builtin.pyCheckArgs("bin",arguments,1,1);if(!Sk.misceval.isIndex(a))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object can't be interpreted as an index");return Sk.builtin.int2str_(a,2,"0b")};
+Sk.builtin.dir=function(a){var b,c,d,e,f,g,h;Sk.builtin.pyCheckArgs("dir",arguments,1,1);h=function(a){var b=null;if(-1!=="__bases__ __mro__ __class__ __name__ GenericGetAttr GenericSetAttr GenericPythonGetAttr GenericPythonSetAttr pythonFunctions HashNotImplemented constructor".split(" ").indexOf(a))return null;-1!==a.indexOf("$")?b=Sk.builtin.dir.slotNameToRichName(a):"_"!==a.charAt(a.length-1)?b=a:"_"===a.charAt(0)&&(b=a);return b};g=[];b=Sk.abstr.lookupSpecial(a,"__dir__");if(null!=b){c=Sk.misceval.callsim(b,
+a);if(!Sk.builtin.checkSequence(c))throw new Sk.builtin.TypeError("__dir__ must return sequence.");c=Sk.ffi.remapToJs(c);for(e=0;e<c.length;++e)g.push(new Sk.builtin.str(c[e]))}else{for(e in a.constructor.prototype)(f=h(e))&&g.push(new Sk.builtin.str(f));if(a.$d)if(a.$d.tp$iter)for(b=a.$d.tp$iter(),e=b.tp$iternext();void 0!==e;e=b.tp$iternext())f=new Sk.builtin.str(e),(f=h(f.v))&&g.push(new Sk.builtin.str(f));else for(f in a.$d)g.push(new Sk.builtin.str(f));d=a.tp$mro;!d&&a.ob$type&&(d=a.ob$type.tp$mro);
+if(d)for(e=0;e<d.v.length;++e)for(c in b=d.v[e],b)b.hasOwnProperty(c)&&(f=h(c))&&g.push(new Sk.builtin.str(f))}g.sort(function(a,b){return(a.v>b.v)-(a.v<b.v)});return new Sk.builtin.list(g.filter(function(a,b,c){return a!==c[b+1]}))};Sk.builtin.dir.slotNameToRichName=function(a){};Sk.builtin.repr=function(a){Sk.builtin.pyCheckArgs("repr",arguments,1,1);return Sk.misceval.objectRepr(a)};
+Sk.builtin.open=function(a,b,c){Sk.builtin.pyCheckArgs("open",arguments,1,3);void 0===b&&(b=new Sk.builtin.str("r"));return new Sk.builtin.file(a,b,c)};
+Sk.builtin.isinstance=function(a,b){var c,d;Sk.builtin.pyCheckArgs("isinstance",arguments,2,2);if(!(Sk.builtin.checkClass(b)||b instanceof Sk.builtin.tuple))throw new Sk.builtin.TypeError("isinstance() arg 2 must be a class, type, or tuple of classes and types");if(b===Sk.builtin.none.prototype.ob$type)return a instanceof Sk.builtin.none?Sk.builtin.bool.true$:Sk.builtin.bool.false$;if(a.ob$type===b)return Sk.builtin.bool.true$;if(b instanceof Sk.builtin.tuple){for(d=0;d<b.v.length;++d)if(Sk.misceval.isTrue(Sk.builtin.isinstance(a,
+b.v[d])))return Sk.builtin.bool.true$;return Sk.builtin.bool.false$}if(a instanceof b)return Sk.builtin.bool.true$;c=function(a,b){var d,h;if(a===b)return Sk.builtin.bool.true$;if(void 0===a.$d)return Sk.builtin.bool.false$;h=a.$d.mp$subscript(Sk.builtin.type.basesStr_);for(d=0;d<h.v.length;++d)if(Sk.misceval.isTrue(c(h.v[d],b)))return Sk.builtin.bool.true$;return Sk.builtin.bool.false$};return c(a.ob$type,b)};
+Sk.builtin.hash=function(a){Sk.builtin.pyCheckArgs("hash",arguments,1,1);if(a instanceof Object){if(Sk.builtin.checkNone(a.tp$hash))throw new Sk.builtin.TypeError(new Sk.builtin.str("unhashable type: '"+Sk.abstr.typeName(a)+"'"));if(void 0!==a.tp$hash){if(a.$savedHash_)return a.$savedHash_;a.$savedHash_=a.tp$hash();return a.$savedHash_}void 0===a.__id&&(Sk.builtin.hashCount+=1,a.__id=Sk.builtin.hashCount);return new Sk.builtin.int_(a.__id)}if("number"===typeof a||null===a||!0===a||!1===a)throw new Sk.builtin.TypeError("unsupported Javascript type");
+return new Sk.builtin.str(typeof a+" "+String(a))};Sk.builtin.getattr=function(a,b,c){var d;Sk.builtin.pyCheckArgs("getattr",arguments,2,3);if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("attribute name must be string");d=a.tp$getattr(b.v);if(void 0===d){if(void 0!==c)return c;throw new Sk.builtin.AttributeError("'"+Sk.abstr.typeName(a)+"' object has no attribute '"+b.v+"'");}return d};
+Sk.builtin.setattr=function(a,b,c){Sk.builtin.pyCheckArgs("setattr",arguments,3,3);if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("attribute name must be string");if(a.tp$setattr)a.tp$setattr(Sk.ffi.remapToJs(b),c);else throw new Sk.builtin.AttributeError("object has no attribute "+Sk.ffi.remapToJs(b));return Sk.builtin.none.none$};
+Sk.builtin.raw_input=function(a){var b=Sk.importModule("sys");a&&Sk.misceval.callsimOrSuspend(b.$d.stdout.write,b.$d.stdout,new Sk.builtin.str(a));return Sk.misceval.callsimOrSuspend(b.$d.stdin.readline,b.$d.stdin)};Sk.builtin.input=Sk.builtin.raw_input;Sk.builtin.jseval=function(a){goog.global.eval(a)};Sk.builtin.jsmillis=function(){return(new Date).valueOf()};
+Sk.builtin.superbi=function(){throw new Sk.builtin.NotImplementedError("super is not yet implemented, please report your use case as a github issue.");};Sk.builtin.eval_=function(){throw new Sk.builtin.NotImplementedError("eval is not yet implemented");};
+Sk.builtin.map=function(a,b){var c,d,e,f,g,h;Sk.builtin.pyCheckArgs("map",arguments,2);if(2<arguments.length){h=[];g=Array.prototype.slice.apply(arguments).slice(1);for(f in g){if(!Sk.builtin.checkIterable(g[f]))throw c=parseInt(f,10)+2,new Sk.builtin.TypeError("argument "+c+" to map() must support iteration");g[f]=Sk.abstr.iter(g[f])}for(;;){e=[];d=0;for(f in g)c=g[f].tp$iternext(),void 0===c?(e.push(Sk.builtin.none.none$),d++):e.push(c);if(d!==g.length)h.push(e);else break}b=new Sk.builtin.list(h)}if(!Sk.builtin.checkIterable(b))throw new Sk.builtin.TypeError("'"+
+Sk.abstr.typeName(b)+"' object is not iterable");e=[];c=Sk.abstr.iter(b);for(d=c.tp$iternext();void 0!==d;d=c.tp$iternext())a===Sk.builtin.none.none$?(d instanceof Array&&(d=new Sk.builtin.tuple(d)),e.push(d)):(d instanceof Array||(d=[d]),e.push(Sk.misceval.apply(a,void 0,void 0,void 0,d)));return new Sk.builtin.list(e)};
+Sk.builtin.reduce=function(a,b,c){var d,e,f;Sk.builtin.pyCheckArgs("reduce",arguments,2,3);if(!Sk.builtin.checkIterable(b))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(b)+"' object is not iterable");f=Sk.abstr.iter(b);if(void 0===c&&(c=f.tp$iternext(),void 0===c))throw new Sk.builtin.TypeError("reduce() of empty sequence with no initial value");e=c;for(d=f.tp$iternext();void 0!==d;d=f.tp$iternext())e=Sk.misceval.callsim(a,e,d);return e};
+Sk.builtin.filter=function(a,b){var c,d,e,f,g,h;Sk.builtin.pyCheckArgs("filter",arguments,2,2);if(!Sk.builtin.checkIterable(b))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(b)+"' object is not iterable");c=function(){return[]};h=function(a,b){a.push(b);return a};g=function(a){return new Sk.builtin.list(a)};b.__class__===Sk.builtin.str?(c=function(){return new Sk.builtin.str("")},h=function(a,b){return a.sq$concat(b)},g=function(a){return a}):b.__class__===Sk.builtin.tuple&&(g=function(a){return new Sk.builtin.tuple(a)});
+f=c();d=Sk.abstr.iter(b);for(e=d.tp$iternext();void 0!==e;e=d.tp$iternext())c=a===Sk.builtin.none.none$?new Sk.builtin.bool(e):Sk.misceval.callsim(a,e),Sk.misceval.isTrue(c)&&(f=h(f,e));return g(f)};
+Sk.builtin.hasattr=function(a,b){Sk.builtin.pyCheckArgs("hasattr",arguments,2,2);if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("hasattr(): attribute name must be string");if(a.tp$getattr)return a.tp$getattr(b.v)?Sk.builtin.bool.true$:Sk.builtin.bool.false$;throw new Sk.builtin.AttributeError("Object has no tp$getattr method");};
+Sk.builtin.pow=function(a,b,c){var d,e;Sk.builtin.pyCheckArgs("pow",arguments,2,3);c instanceof Sk.builtin.none&&(c=void 0);if(Sk.builtin.checkComplex(a))return a.nb$power(b,c);d=Sk.builtin.asnum$(a);e=Sk.builtin.asnum$(b);Sk.builtin.asnum$(c);if(!Sk.builtin.checkNumber(a)||!Sk.builtin.checkNumber(b)){if(void 0===c)throw new Sk.builtin.TypeError("unsupported operand type(s) for pow(): '"+Sk.abstr.typeName(a)+"' and '"+Sk.abstr.typeName(b)+"'");throw new Sk.builtin.TypeError("unsupported operand type(s) for pow(): '"+
+Sk.abstr.typeName(a)+"', '"+Sk.abstr.typeName(b)+"', '"+Sk.abstr.typeName(c)+"'");}if(0>d&&b instanceof Sk.builtin.float_)throw new Sk.builtin.ValueError("negative number cannot be raised to a fractional power");if(void 0===c){if(a instanceof Sk.builtin.float_||b instanceof Sk.builtin.float_||0>e)return new Sk.builtin.float_(Math.pow(d,e));d=new Sk.builtin.int_(d);e=new Sk.builtin.int_(e);d=d.nb$power(e);return a instanceof Sk.builtin.lng||b instanceof Sk.builtin.lng?new Sk.builtin.lng(d):d}if(!Sk.builtin.checkInt(a)||
+!Sk.builtin.checkInt(b)||!Sk.builtin.checkInt(c))throw new Sk.builtin.TypeError("pow() 3rd argument not allowed unless all arguments are integers");if(0>e)throw new Sk.builtin.TypeError("pow() 2nd argument cannot be negative when 3rd argument specified");return a instanceof Sk.builtin.lng||(b instanceof Sk.builtin.lng||c instanceof Sk.builtin.lng)||Infinity===Math.pow(d,e)?(a=new Sk.builtin.lng(a),a.nb$power(b,c)):(new Sk.builtin.int_(Math.pow(d,e))).nb$remainder(c)};
+Sk.builtin.quit=function(a){a=(new Sk.builtin.str(a)).v;throw new Sk.builtin.SystemExit(a);};
+Sk.builtin.issubclass=function(a,b){var c,d;Sk.builtin.pyCheckArgs("issubclass",arguments,2,2);if(!(Sk.builtin.checkClass(b)||b instanceof Sk.builtin.tuple))throw new Sk.builtin.TypeError("issubclass() arg 2 must be a classinfo, type, or tuple of classes and types");d=function(a,b){var c,h;if(a===b)return!0;if(void 0!==a.$d&&a.$d.mp$subscript)h=a.$d.mp$subscript(Sk.builtin.type.basesStr_);else return!1;for(c=0;c<h.v.length;++c)if(d(h.v[c],b))return!0;return!1};if(Sk.builtin.checkClass(b))return a===
+b?!0:d(a,b);if(b instanceof Sk.builtin.tuple){for(c=0;c<b.v.length;++c)if(Sk.builtin.issubclass(a,b.v[c]))return!0;return!1}};Sk.builtin.globals=function(){var a,b=new Sk.builtin.dict([]);for(a in Sk.globals)b.mp$ass_subscript(new Sk.builtin.str(a),Sk.globals[a]);return b};Sk.builtin.divmod=function(a,b){return Sk.abstr.numberBinOp(a,b,"DivMod")};Sk.builtin.format=function(a,b){Sk.builtin.pyCheckArgs("format",arguments,1,2);return Sk.abstr.objectFormat(a,b)};
+Sk.builtin.reversed=function(a){Sk.builtin.pyCheckArgs("reversed",arguments,1,1);var b=Sk.abstr.lookupSpecial(a,"__reversed__");if(null!=b)return Sk.misceval.callsim(b,a);if(!Sk.builtin.checkSequence(a))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not a sequence");return new function(a){this.idx=a.sq$length()-1;this.myobj=a;this.getitem=Sk.abstr.lookupSpecial(a,"__getitem__");this.tp$iter=function(){return this};this.tp$iternext=function(){var a;if(!(0>this.idx)){try{a=Sk.misceval.callsim(this.getitem,
+this.myobj,Sk.ffi.remapToPy(this.idx))}catch(b){if(b instanceof Sk.builtin.IndexError)return;throw b;}this.idx--;return a}}}(a)};Sk.builtin.bytearray=function(){throw new Sk.builtin.NotImplementedError("bytearray is not yet implemented");};Sk.builtin.callable=function(){throw new Sk.builtin.NotImplementedError("callable is not yet implemented");};Sk.builtin.delattr=function(){throw new Sk.builtin.NotImplementedError("delattr is not yet implemented");};
+Sk.builtin.execfile=function(){throw new Sk.builtin.NotImplementedError("execfile is not yet implemented");};Sk.builtin.frozenset=function(){throw new Sk.builtin.NotImplementedError("frozenset is not yet implemented");};Sk.builtin.help=function(){throw new Sk.builtin.NotImplementedError("help is not yet implemented");};Sk.builtin.iter=function(){throw new Sk.builtin.NotImplementedError("iter is not yet implemented");};
+Sk.builtin.locals=function(){throw new Sk.builtin.NotImplementedError("locals is not yet implemented");};Sk.builtin.memoryview=function(){throw new Sk.builtin.NotImplementedError("memoryview is not yet implemented");};Sk.builtin.next_=function(){throw new Sk.builtin.NotImplementedError("next is not yet implemented");};Sk.builtin.property=function(){throw new Sk.builtin.NotImplementedError("property is not yet implemented");};
+Sk.builtin.reload=function(){throw new Sk.builtin.NotImplementedError("reload is not yet implemented");};Sk.builtin.vars=function(){throw new Sk.builtin.NotImplementedError("vars is not yet implemented");};Sk.builtin.xrange=Sk.builtin.range;Sk.builtin.apply_=function(){throw new Sk.builtin.NotImplementedError("apply is not yet implemented");};Sk.builtin.buffer=function(){throw new Sk.builtin.NotImplementedError("buffer is not yet implemented");};
+Sk.builtin.coerce=function(){throw new Sk.builtin.NotImplementedError("coerce is not yet implemented");};Sk.builtin.intern=function(){throw new Sk.builtin.NotImplementedError("intern is not yet implemented");};String.fromCodePoint||function(){var a=function(){var a;try{var b={},c=Object.defineProperty;a=c(b,"foo",b)&&c}catch(d){}return a}(),b=String.fromCharCode,c=Math.floor,d=function(a){var d=[],g,h,k=-1,l=arguments.length;if(!l)return"";for(var m="";++k<l;){h=Number(arguments[k]);if(!isFinite(h)||0>h||1114111<h||c(h)!=h)throw RangeError("Invalid code point: "+h);65535>=h?d.push(h):(h-=65536,g=(h>>10)+55296,h=h%1024+56320,d.push(g,h));if(k+1==l||16384<d.length)m+=b.apply(null,d),d.length=0}return m};
+a?a(String,"fromCodePoint",{value:d,configurable:!0,writable:!0}):String.fromCodePoint=d}();Sk.builtin.BaseException=function(a){var b;if(!(this instanceof Sk.builtin.BaseException))return b=Object.create(Sk.builtin.BaseException.prototype),b.constructor.apply(b,arguments),b;a=Array.prototype.slice.call(arguments);for(b=0;b<a.length;++b)"string"===typeof a[b]&&(a[b]=new Sk.builtin.str(a[b]));this.args=new Sk.builtin.tuple(a);this.traceback=[];3<=this.args.sq$length()&&this.traceback.push({lineno:this.args.v[2],filename:this.args.v[1].v||"<unknown>"})};
+Sk.abstr.setUpInheritance("BaseException",Sk.builtin.BaseException,Sk.builtin.object);Sk.builtin.BaseException.prototype.tp$str=function(){var a,b;b=""+this.tp$name;this.args&&(b+=": "+(0<this.args.v.length?this.args.v[0].v:""));b=0!==this.traceback.length?b+(" on line "+this.traceback[0].lineno):b+" at <unknown>";if(4<this.args.v.length){b+="\n"+this.args.v[4].v+"\n";for(a=0;a<this.args.v[3];++a)b+=" ";b+="^\n"}return new Sk.builtin.str(b)};Sk.builtin.BaseException.prototype.toString=function(){return this.tp$str().v};
+goog.exportSymbol("Sk.builtin.BaseException",Sk.builtin.BaseException);Sk.builtin.Exception=function(a){var b;if(!(this instanceof Sk.builtin.Exception))return b=Object.create(Sk.builtin.Exception.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.BaseException.apply(this,arguments)};Sk.abstr.setUpInheritance("Exception",Sk.builtin.Exception,Sk.builtin.BaseException);goog.exportSymbol("Sk.builtin.Exception",Sk.builtin.Exception);
+Sk.builtin.StandardError=function(a){var b;if(!(this instanceof Sk.builtin.StandardError))return b=Object.create(Sk.builtin.StandardError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.Exception.apply(this,arguments)};Sk.abstr.setUpInheritance("StandardError",Sk.builtin.StandardError,Sk.builtin.Exception);goog.exportSymbol("Sk.builtin.StandardError",Sk.builtin.StandardError);
+Sk.builtin.AssertionError=function(a){var b;if(!(this instanceof Sk.builtin.AssertionError))return b=Object.create(Sk.builtin.AssertionError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("AssertionError",Sk.builtin.AssertionError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.AssertionError",Sk.builtin.AssertionError);
+Sk.builtin.AttributeError=function(a){var b;if(!(this instanceof Sk.builtin.AttributeError))return b=Object.create(Sk.builtin.AttributeError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("AttributeError",Sk.builtin.AttributeError,Sk.builtin.StandardError);
+Sk.builtin.ImportError=function(a){var b;if(!(this instanceof Sk.builtin.ImportError))return b=Object.create(Sk.builtin.ImportError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("ImportError",Sk.builtin.ImportError,Sk.builtin.StandardError);
+Sk.builtin.IndentationError=function(a){var b;if(!(this instanceof Sk.builtin.IndentationError))return b=Object.create(Sk.builtin.IndentationError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("IndentationError",Sk.builtin.IndentationError,Sk.builtin.StandardError);
+Sk.builtin.IndexError=function(a){var b;if(!(this instanceof Sk.builtin.IndexError))return b=Object.create(Sk.builtin.IndexError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("IndexError",Sk.builtin.IndexError,Sk.builtin.StandardError);
+Sk.builtin.KeyError=function(a){var b;if(!(this instanceof Sk.builtin.KeyError))return b=Object.create(Sk.builtin.KeyError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("KeyError",Sk.builtin.KeyError,Sk.builtin.StandardError);
+Sk.builtin.NameError=function(a){var b;if(!(this instanceof Sk.builtin.NameError))return b=Object.create(Sk.builtin.NameError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("NameError",Sk.builtin.NameError,Sk.builtin.StandardError);
+Sk.builtin.UnboundLocalError=function(a){var b;if(!(this instanceof Sk.builtin.UnboundLocalError))return b=Object.create(Sk.builtin.UnboundLocalError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("UnboundLocalError",Sk.builtin.UnboundLocalError,Sk.builtin.StandardError);
+Sk.builtin.OverflowError=function(a){var b;if(!(this instanceof Sk.builtin.OverflowError))return b=Object.create(Sk.builtin.OverflowError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("OverflowError",Sk.builtin.OverflowError,Sk.builtin.StandardError);
+Sk.builtin.ParseError=function(a){var b;if(!(this instanceof Sk.builtin.ParseError))return b=Object.create(Sk.builtin.ParseError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("ParseError",Sk.builtin.ParseError,Sk.builtin.StandardError);
+Sk.builtin.RuntimeError=function(a){var b;if(!(this instanceof Sk.builtin.RuntimeError))return b=Object.create(Sk.builtin.RuntimeError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("RuntimeError",Sk.builtin.RuntimeError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.RuntimeError",Sk.builtin.RuntimeError);
+Sk.builtin.SuspensionError=function(a){var b;if(!(this instanceof Sk.builtin.SuspensionError))return b=Object.create(Sk.builtin.SuspensionError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("SuspensionError",Sk.builtin.SuspensionError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.SuspensionError",Sk.builtin.SuspensionError);
+Sk.builtin.SystemExit=function(a){var b;if(!(this instanceof Sk.builtin.SystemExit))return b=Object.create(Sk.builtin.SystemExit.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.BaseException.apply(this,arguments)};Sk.abstr.setUpInheritance("SystemExit",Sk.builtin.SystemExit,Sk.builtin.BaseException);goog.exportSymbol("Sk.builtin.SystemExit",Sk.builtin.SystemExit);
+Sk.builtin.SyntaxError=function(a){var b;if(!(this instanceof Sk.builtin.SyntaxError))return b=Object.create(Sk.builtin.SyntaxError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("SyntaxError",Sk.builtin.SyntaxError,Sk.builtin.StandardError);
+Sk.builtin.TokenError=function(a){var b;if(!(this instanceof Sk.builtin.TokenError))return b=Object.create(Sk.builtin.TokenError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("TokenError",Sk.builtin.TokenError,Sk.builtin.StandardError);
+Sk.builtin.TypeError=function(a){var b;if(!(this instanceof Sk.builtin.TypeError))return b=Object.create(Sk.builtin.TypeError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("TypeError",Sk.builtin.TypeError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.TypeError",Sk.builtin.TypeError);
+Sk.builtin.ValueError=function(a){var b;if(!(this instanceof Sk.builtin.ValueError))return b=Object.create(Sk.builtin.ValueError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("ValueError",Sk.builtin.ValueError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.ValueError",Sk.builtin.ValueError);
+Sk.builtin.ZeroDivisionError=function(a){var b;if(!(this instanceof Sk.builtin.ZeroDivisionError))return b=Object.create(Sk.builtin.ZeroDivisionError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("ZeroDivisionError",Sk.builtin.ZeroDivisionError,Sk.builtin.StandardError);
+Sk.builtin.TimeLimitError=function(a){var b;if(!(this instanceof Sk.builtin.TimeLimitError))return b=Object.create(Sk.builtin.TimeLimitError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("TimeLimitError",Sk.builtin.TimeLimitError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.TimeLimitError",Sk.builtin.TimeLimitError);
+Sk.builtin.IOError=function(a){var b;if(!(this instanceof Sk.builtin.IOError))return b=Object.create(Sk.builtin.IOError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("IOError",Sk.builtin.IOError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.IOError",Sk.builtin.IOError);
+Sk.builtin.NotImplementedError=function(a){var b;if(!(this instanceof Sk.builtin.NotImplementedError))return b=Object.create(Sk.builtin.NotImplementedError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("NotImplementedError",Sk.builtin.NotImplementedError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.NotImplementedError",Sk.builtin.NotImplementedError);
+Sk.builtin.NegativePowerError=function(a){var b;if(!(this instanceof Sk.builtin.NegativePowerError))return b=Object.create(Sk.builtin.NegativePowerError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("NegativePowerError",Sk.builtin.NegativePowerError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.NegativePowerError",Sk.builtin.NegativePowerError);
+Sk.builtin.ExternalError=function(a,b){var c;if(!(this instanceof Sk.builtin.ExternalError))return c=Object.create(Sk.builtin.ExternalError.prototype),c.constructor.apply(c,arguments),c;b=Array.prototype.slice.call(arguments);this.nativeError=b[0];b[0]instanceof Sk.builtin.str||(b[0]=""+b[0]);Sk.builtin.StandardError.apply(this,b)};Sk.abstr.setUpInheritance("ExternalError",Sk.builtin.ExternalError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.ExternalError",Sk.builtin.ExternalError);
+Sk.builtin.OperationError=function(a){var b;if(!(this instanceof Sk.builtin.OperationError))return b=Object.create(Sk.builtin.OperationError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("OperationError",Sk.builtin.OperationError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.OperationError",Sk.builtin.OperationError);
+Sk.builtin.SystemError=function(a){var b;if(!(this instanceof Sk.builtin.SystemError))return b=Object.create(Sk.builtin.SystemError.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.StandardError.apply(this,arguments)};Sk.abstr.setUpInheritance("SystemError",Sk.builtin.SystemError,Sk.builtin.StandardError);goog.exportSymbol("Sk.builtin.SystemError",Sk.builtin.SystemError);
+Sk.builtin.StopIteration=function(a){var b;if(!(this instanceof Sk.builtin.StopIteration))return b=Object.create(Sk.builtin.StopIteration.prototype),b.constructor.apply(b,arguments),b;Sk.builtin.Exception.apply(this,arguments)};Sk.abstr.setUpInheritance("StopIteration",Sk.builtin.StopIteration,Sk.builtin.Exception);goog.exportSymbol("Sk.builtin.StopIteration",Sk.builtin.StopIteration);goog.exportSymbol("Sk",Sk);Sk.nativejs={FN_ARGS:/^function\s*[^\(]*\(\s*([^\)]*)\)/m,FN_ARG_SPLIT:/,/,FN_ARG:/^\s*(_?)(\S+?)\1\s*$/,STRIP_COMMENTS:/((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg,formalParameterList:function(a){var b,c,d=[];a=a.toString().replace(this.STRIP_COMMENTS,"").match(this.FN_ARGS)[1].split(this.FN_ARG_SPLIT);for(b in a)c=a[b],c.replace(this.FN_ARG,function(a,b,c){d.push(c)});return d},func:function(a){a.co_name=new Sk.builtin.str(a.name);a.co_varnames=Sk.nativejs.formalParameterList(a);return new Sk.builtin.func(a)},
+func_nokw:function(a){a.co_name=new Sk.builtin.str(a.name);a.co_varnames=Sk.nativejs.formalParameterList(a);a.no_kw=!0;return new Sk.builtin.func(a)}};goog.exportSymbol("Sk.nativejs.func",Sk.nativejs.func);goog.exportSymbol("Sk.nativejs.func_nokw",Sk.nativejs.func_nokw);Sk.builtin.method=function(a,b){this.im_func=a;this.im_self=b};goog.exportSymbol("Sk.builtin.method",Sk.builtin.method);Sk.builtin.method.prototype.tp$call=function(a,b){goog.asserts.assert(this.im_self,"should just be a function, not a method since there's no self?");goog.asserts.assert(this.im_func instanceof Sk.builtin.func);a.unshift(this.im_self);return this.im_func.tp$call(a,b)};
+Sk.builtin.method.prototype.$r=function(){return new Sk.builtin.str("<bound method "+this.im_self.ob$type.tp$name+"."+(this.im_func.func_code&&this.im_func.func_code.co_name&&this.im_func.func_code.co_name.v||"<native JS>")+" of "+this.im_self.$r().v+">")};Sk.misceval={};Sk.misceval.Suspension=function(a,b,c){this.isSuspension=!0;void 0!==a&&void 0!==b&&(this.resume=function(){return a(b.resume())});this.child=b;this.optional=void 0!==b&&b.optional;this.data=void 0===c&&void 0!==b?b.data:c};goog.exportSymbol("Sk.misceval.Suspension",Sk.misceval.Suspension);
+Sk.misceval.retryOptionalSuspensionOrThrow=function(a,b){for(;a instanceof Sk.misceval.Suspension;){if(!a.optional)throw new Sk.builtin.SuspensionError(b||"Cannot call a function that blocks or suspends here");a=a.resume()}return a};goog.exportSymbol("Sk.misceval.retryOptionalSuspensionOrThrow",Sk.misceval.retryOptionalSuspensionOrThrow);Sk.misceval.isIndex=function(a){return Sk.builtin.checkInt(a)||Sk.abstr.lookupSpecial(a,"__index__")?!0:!1};goog.exportSymbol("Sk.misceval.isIndex",Sk.misceval.isIndex);
+Sk.misceval.asIndex=function(a){var b;if(Sk.misceval.isIndex(a)&&null!==a){if(!0===a)return 1;if(!1===a)return 0;if("number"===typeof a)return a;if(a.constructor===Sk.builtin.int_)return a.v;if(a.constructor===Sk.builtin.lng)return a.tp$index();if(a.constructor===Sk.builtin.bool)return Sk.builtin.asnum$(a);if(b=Sk.abstr.lookupSpecial(a,"__index__")){a=Sk.misceval.callsim(b,a);if(!Sk.builtin.checkInt(a))throw new Sk.builtin.TypeError("__index__ returned non-(int,long) (type "+Sk.abstr.typeName(a)+
+")");return Sk.builtin.asnum$(a)}goog.asserts.fail("todo asIndex;")}};Sk.misceval.applySlice=function(a,b,c,d){return a.sq$slice&&Sk.misceval.isIndex(b)&&Sk.misceval.isIndex(c)?(b=Sk.misceval.asIndex(b),void 0===b&&(b=0),c=Sk.misceval.asIndex(c),void 0===c&&(c=1E100),Sk.abstr.sequenceGetSlice(a,b,c)):Sk.abstr.objectGetItem(a,new Sk.builtin.slice(b,c,null),d)};goog.exportSymbol("Sk.misceval.applySlice",Sk.misceval.applySlice);
+Sk.misceval.assignSlice=function(a,b,c,d,e){if(a.sq$ass_slice&&Sk.misceval.isIndex(b)&&Sk.misceval.isIndex(c))e=Sk.misceval.asIndex(b)||0,c=Sk.misceval.asIndex(c)||1E100,null===d?Sk.abstr.sequenceDelSlice(a,e,c):Sk.abstr.sequenceSetSlice(a,e,c,d);else return c=new Sk.builtin.slice(b,c),null===d?Sk.abstr.objectDelItem(a,c):Sk.abstr.objectSetItem(a,c,d,e)};goog.exportSymbol("Sk.misceval.assignSlice",Sk.misceval.assignSlice);
+Sk.misceval.arrayFromArguments=function(a){var b,c;if(1!=a.length)return a;b=a[0];b instanceof Sk.builtin.set?b=b.tp$iter().$obj:b instanceof Sk.builtin.dict&&(b=Sk.builtin.dict.prototype.keys.func_code(b));if(b instanceof Sk.builtin.list||b instanceof Sk.builtin.tuple)return b.v;if(Sk.builtin.checkIterable(b)){a=[];b=Sk.abstr.iter(b);for(c=b.tp$iternext();void 0!==c;c=b.tp$iternext())a.push(c);return a}throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(b)+"' object is not iterable");};
+goog.exportSymbol("Sk.misceval.arrayFromArguments",Sk.misceval.arrayFromArguments);Sk.misceval.swappedOp_={Eq:"Eq",NotEq:"NotEq",Lt:"GtE",LtE:"Gt",Gt:"LtE",GtE:"Lt",Is:"IsNot",IsNot:"Is",In_:"NotIn",NotIn:"In_"};
+Sk.misceval.richCompareBool=function(a,b,c,d){var e,f,g,h,k,l,m;goog.asserts.assert(null!==a&&void 0!==a,"passed null or undefined parameter to Sk.misceval.richCompareBool");goog.asserts.assert(null!==b&&void 0!==b,"passed null or undefined parameter to Sk.misceval.richCompareBool");m=new Sk.builtin.type(a);h=new Sk.builtin.type(b);if(m!==h&&("GtE"===c||"Gt"===c||"LtE"===c||"Lt"===c)){l=[Sk.builtin.float_.prototype.ob$type,Sk.builtin.int_.prototype.ob$type,Sk.builtin.lng.prototype.ob$type,Sk.builtin.bool.prototype.ob$type];
+k=[Sk.builtin.dict.prototype.ob$type,Sk.builtin.enumerate.prototype.ob$type,Sk.builtin.list.prototype.ob$type,Sk.builtin.str.prototype.ob$type,Sk.builtin.tuple.prototype.ob$type];f=l.indexOf(m);g=k.indexOf(m);l=l.indexOf(h);k=k.indexOf(h);if(m===Sk.builtin.none.prototype.ob$type)switch(c){case "Lt":return!0;case "LtE":return!0;case "Gt":return!1;case "GtE":return!1}if(h===Sk.builtin.none.prototype.ob$type)switch(c){case "Lt":return!1;case "LtE":return!1;case "Gt":return!0;case "GtE":return!0}if(-1!==
+f&&-1!==k)switch(c){case "Lt":return!0;case "LtE":return!0;case "Gt":return!1;case "GtE":return!1}if(-1!==g&&-1!==l)switch(c){case "Lt":return!1;case "LtE":return!1;case "Gt":return!0;case "GtE":return!0}if(-1!==g&&-1!==k)switch(c){case "Lt":return g<k;case "LtE":return g<=k;case "Gt":return g>k;case "GtE":return g>=k}}if("Is"===c)return a instanceof Sk.builtin.int_&&b instanceof Sk.builtin.int_?0===a.numberCompare(b):a instanceof Sk.builtin.float_&&b instanceof Sk.builtin.float_?0===a.numberCompare(b):
+a instanceof Sk.builtin.lng&&b instanceof Sk.builtin.lng?0===a.longCompare(b):a===b;if("IsNot"===c)return a instanceof Sk.builtin.int_&&b instanceof Sk.builtin.int_?0!==a.numberCompare(b):a instanceof Sk.builtin.float_&&b instanceof Sk.builtin.float_?0!==a.numberCompare(b):a instanceof Sk.builtin.lng&&b instanceof Sk.builtin.lng?0!==a.longCompare(b):a!==b;if("In"===c)return Sk.misceval.chain(Sk.abstr.sequenceContains(b,a,d),Sk.misceval.isTrue);if("NotIn"===c)return Sk.misceval.chain(Sk.abstr.sequenceContains(b,
+a,d),function(a){return!Sk.misceval.isTrue(a)});f={Eq:"ob$eq",NotEq:"ob$ne",Gt:"ob$gt",GtE:"ob$ge",Lt:"ob$lt",LtE:"ob$le"};g=f[c];if((d=a.constructor.prototype.hasOwnProperty(g))&&(e=a[g](b))!==Sk.builtin.NotImplemented.NotImplemented$)return Sk.misceval.isTrue(e);f=f[Sk.misceval.swappedOp_[c]];if((g=b.constructor.prototype.hasOwnProperty(f))&&(e=b[f](a))!==Sk.builtin.NotImplemented.NotImplemented$)return Sk.misceval.isTrue(e);if(a.tp$richcompare&&void 0!==(e=a.tp$richcompare(b,c))&&e!=Sk.builtin.NotImplemented.NotImplemented$||
+b.tp$richcompare&&void 0!==(e=b.tp$richcompare(a,Sk.misceval.swappedOp_[c]))&&e!=Sk.builtin.NotImplemented.NotImplemented$)return Sk.misceval.isTrue(e);h={Eq:"__eq__",NotEq:"__ne__",Gt:"__gt__",GtE:"__ge__",Lt:"__lt__",LtE:"__le__"};if((f=Sk.abstr.lookupSpecial(a,h[c]))&&!d&&(e=Sk.misceval.callsim(f,a,b),e!=Sk.builtin.NotImplemented.NotImplemented$)||(d=Sk.abstr.lookupSpecial(b,h[Sk.misceval.swappedOp_[c]]))&&!g&&(e=Sk.misceval.callsim(d,b,a),e!=Sk.builtin.NotImplemented.NotImplemented$))return Sk.misceval.isTrue(e);
+if(d=Sk.abstr.lookupSpecial(a,"__cmp__"))try{e=Sk.misceval.callsim(d,a,b);if(Sk.builtin.checkNumber(e)){e=Sk.builtin.asnum$(e);if("Eq"===c)return 0===e;if("NotEq"===c)return 0!==e;if("Lt"===c)return 0>e;if("Gt"===c)return 0<e;if("LtE"===c)return 0>=e;if("GtE"===c)return 0<=e}if(e!==Sk.builtin.NotImplemented.NotImplemented$)throw new Sk.builtin.TypeError("comparison did not return an int");}catch(p){throw new Sk.builtin.TypeError("comparison did not return an int");}if(d=Sk.abstr.lookupSpecial(b,"__cmp__"))try{e=
+Sk.misceval.callsim(d,b,a);if(Sk.builtin.checkNumber(e)){e=Sk.builtin.asnum$(e);if("Eq"===c)return 0===e;if("NotEq"===c)return 0!==e;if("Lt"===c)return 0<e;if("Gt"===c)return 0>e;if("LtE"===c)return 0<=e;if("GtE"===c)return 0>=e}if(e!==Sk.builtin.NotImplemented.NotImplemented$)throw new Sk.builtin.TypeError("comparison did not return an int");}catch(n){throw new Sk.builtin.TypeError("comparison did not return an int");}if(a instanceof Sk.builtin.none&&b instanceof Sk.builtin.none||a instanceof Sk.builtin.bool&&
+b instanceof Sk.builtin.bool){if("Eq"===c)return a.v===b.v;if("NotEq"===c)return a.v!==b.v;if("Gt"===c)return a.v>b.v;if("GtE"===c)return a.v>=b.v;if("Lt"===c)return a.v<b.v;if("LtE"===c)return a.v<=b.v}if("Eq"===c)return a instanceof Sk.builtin.str&&b instanceof Sk.builtin.str?a.v===b.v:a===b;if("NotEq"===c)return a instanceof Sk.builtin.str&&b instanceof Sk.builtin.str?a.v!==b.v:a!==b;a=Sk.abstr.typeName(a);b=Sk.abstr.typeName(b);throw new Sk.builtin.ValueError("don't know how to compare '"+a+"' and '"+
+b+"'");};goog.exportSymbol("Sk.misceval.richCompareBool",Sk.misceval.richCompareBool);
+Sk.misceval.objectRepr=function(a){goog.asserts.assert(void 0!==a,"trying to repr undefined");return null===a||a instanceof Sk.builtin.none?new Sk.builtin.str("None"):!0===a?new Sk.builtin.str("True"):!1===a?new Sk.builtin.str("False"):"number"===typeof a?new Sk.builtin.str(""+a):a.$r?a.constructor===Sk.builtin.float_?Infinity===a.v?new Sk.builtin.str("inf"):-Infinity===a.v?new Sk.builtin.str("-inf"):a.$r():a.$r():a.tp$name?new Sk.builtin.str("<"+a.tp$name+" object>"):new Sk.builtin.str("<unknown>")};
+goog.exportSymbol("Sk.misceval.objectRepr",Sk.misceval.objectRepr);Sk.misceval.opAllowsEquality=function(a){switch(a){case "LtE":case "Eq":case "GtE":return!0}return!1};goog.exportSymbol("Sk.misceval.opAllowsEquality",Sk.misceval.opAllowsEquality);
+Sk.misceval.isTrue=function(a){if(!0===a)return!0;if(!1===a||null===a||a.constructor===Sk.builtin.none||a.constructor===Sk.builtin.NotImplemented)return!1;if(a.constructor===Sk.builtin.bool)return a.v;if("number"===typeof a)return 0!==a;if(a instanceof Sk.builtin.lng)return a.nb$nonzero();if(a.constructor===Sk.builtin.int_||a.constructor===Sk.builtin.float_)return 0!==a.v;if(a.__nonzero__){a=Sk.misceval.callsim(a.__nonzero__,a);if(!Sk.builtin.checkInt(a))throw new Sk.builtin.TypeError("__nonzero__ should return an int");
+return 0!==Sk.builtin.asnum$(a)}if(a.__len__){a=Sk.misceval.callsim(a.__len__,a);if(!Sk.builtin.checkInt(a))throw new Sk.builtin.TypeError("__len__ should return an int");return 0!==Sk.builtin.asnum$(a)}return a.mp$length?0!==Sk.builtin.asnum$(a.mp$length()):a.sq$length?0!==Sk.builtin.asnum$(a.sq$length()):!0};goog.exportSymbol("Sk.misceval.isTrue",Sk.misceval.isTrue);Sk.misceval.softspace_=!1;
+Sk.misceval.print_=function(a){var b;Sk.misceval.softspace_&&("\n"!==a&&Sk.output(" "),Sk.misceval.softspace_=!1);a=new Sk.builtin.str(a);b=Sk.importModule("sys");Sk.misceval.apply(b.$d.stdout.write,void 0,void 0,void 0,[b.$d.stdout,a]);b=function(a){return"\n"===a||"\t"===a||"\r"===a};0!==a.v.length&&b(a.v[a.v.length-1])&&" "!==a.v[a.v.length-1]||(Sk.misceval.softspace_=!0)};goog.exportSymbol("Sk.misceval.print_",Sk.misceval.print_);
+Sk.misceval.loadname=function(a,b){var c;c=b[a];if(void 0!==c)return c;c=Sk.builtins[a];if(void 0!==c)return c;a=a.replace("_$rw$","");a=a.replace("_$rn$","");throw new Sk.builtin.NameError("name '"+a+"' is not defined");};goog.exportSymbol("Sk.misceval.loadname",Sk.misceval.loadname);Sk.misceval.call=function(a,b,c,d,e){e=Array.prototype.slice.call(arguments,4);return Sk.misceval.apply(a,b,c,d,e)};goog.exportSymbol("Sk.misceval.call",Sk.misceval.call);
+Sk.misceval.callAsync=function(a,b,c,d,e,f){f=Array.prototype.slice.call(arguments,5);return Sk.misceval.applyAsync(a,b,c,d,e,f)};goog.exportSymbol("Sk.misceval.callAsync",Sk.misceval.callAsync);Sk.misceval.callOrSuspend=function(a,b,c,d,e){e=Array.prototype.slice.call(arguments,4);return Sk.misceval.applyOrSuspend(a,b,c,d,e)};goog.exportSymbol("Sk.misceval.callOrSuspend",Sk.misceval.callOrSuspend);
+Sk.misceval.callsim=function(a,b){b=Array.prototype.slice.call(arguments,1);return Sk.misceval.apply(a,void 0,void 0,void 0,b)};goog.exportSymbol("Sk.misceval.callsim",Sk.misceval.callsim);Sk.misceval.callsimAsync=function(a,b,c){c=Array.prototype.slice.call(arguments,2);return Sk.misceval.applyAsync(a,b,void 0,void 0,void 0,c)};goog.exportSymbol("Sk.misceval.callsimAsync",Sk.misceval.callsimAsync);
+Sk.misceval.callsimOrSuspend=function(a,b){b=Array.prototype.slice.call(arguments,1);return Sk.misceval.applyOrSuspend(a,void 0,void 0,void 0,b)};goog.exportSymbol("Sk.misceval.callsimOrSuspend",Sk.misceval.callsimOrSuspend);Sk.misceval.apply=function(a,b,c,d,e){a=Sk.misceval.applyOrSuspend(a,b,c,d,e);return a instanceof Sk.misceval.Suspension?Sk.misceval.retryOptionalSuspensionOrThrow(a):a};goog.exportSymbol("Sk.misceval.apply",Sk.misceval.apply);
+Sk.misceval.asyncToPromise=function(a,b){return new Promise(function(c,d){try{(function g(a){try{for(var e=function(){g(a.resume())},l=function(b){try{a.data.result=b,e()}catch(c){d(c)}},m=function(b){try{a.data.error=b,e()}catch(c){d(c)}};a instanceof Sk.misceval.Suspension;){var p=b&&(b[a.data.type]||b["*"]);if(p){var n=p(a);if(n){n.then(g,d);return}}if("Sk.promise"==a.data.type){a.data.promise.then(l,m);return}if("Sk.yield"==a.data.type){Sk.setTimeout(e,0);return}if(a.optional)a=a.resume();else throw new Sk.builtin.SuspensionError("Unhandled non-optional suspension of type '"+
+a.data.type+"'");}c(a)}catch(r){d(r)}})(a())}catch(e){d(e)}})};goog.exportSymbol("Sk.misceval.asyncToPromise",Sk.misceval.asyncToPromise);Sk.misceval.applyAsync=function(a,b,c,d,e,f){return Sk.misceval.asyncToPromise(function(){return Sk.misceval.applyOrSuspend(b,c,d,e,f)},a)};goog.exportSymbol("Sk.misceval.applyAsync",Sk.misceval.applyAsync);
+Sk.misceval.chain=function(a,b){for(var c=Array(arguments.length),d=1,d=1;d<arguments.length;d++)c[d]=arguments[d];d=1;return function f(a){for(;d<c.length;){if(a instanceof Sk.misceval.Suspension)return new Sk.misceval.Suspension(f,a);a=c[d](a);d++}return a}(a)};goog.exportSymbol("Sk.misceval.chain",Sk.misceval.chain);
+Sk.misceval.tryCatch=function(a,b){var c;try{c=a()}catch(d){return b(d)}if(c instanceof Sk.misceval.Suspension){var e=new Sk.misceval.Suspension(void 0,c);e.resume=function(){return Sk.misceval.tryCatch(c.resume,b)};return e}return c};goog.exportSymbol("Sk.misceval.tryCatch",Sk.misceval.tryCatch);
+Sk.misceval.iterFor=function(a,b,c){var d=c,e=function(b){d=b;return b instanceof Sk.misceval.Break?b:a.tp$iternext(!0)};return function g(a){for(;void 0!==a;){if(a instanceof Sk.misceval.Suspension)return new Sk.misceval.Suspension(g,a);if(a===Sk.misceval.Break||a instanceof Sk.misceval.Break)return a.brValue;a=Sk.misceval.chain(b(a,d),e)}return d}(a.tp$iternext(!0))};goog.exportSymbol("Sk.misceval.iterFor",Sk.misceval.iterFor);
+Sk.misceval.Break=function(a){if(!(this instanceof Sk.misceval.Break))return new Sk.misceval.Break(a);this.brValue=a};goog.exportSymbol("Sk.misceval.Break",Sk.misceval.Break);
+Sk.misceval.applyOrSuspend=function(a,b,c,d,e){var f,g;if(null===a||a instanceof Sk.builtin.none)throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not callable");if("function"===typeof a){if(a.sk$klass)return a.apply(null,[b,c,d,e,!0]);if(c)for(g=c.tp$iter(),c=g.tp$iternext();void 0!==c;c=g.tp$iternext())e.push(c);if(b)for(g=Sk.abstr.iter(b),c=g.tp$iternext();void 0!==c;c=g.tp$iternext()){if(!Sk.builtin.checkString(c))throw new Sk.builtin.TypeError("Function keywords must be strings");
+d.push(c.v);d.push(Sk.abstr.objectGetItem(b,c,!1))}if(void 0!==d&&0<d.length){if(!a.co_varnames)throw new Sk.builtin.ValueError("Keyword arguments are not supported by this function");g=a.co_numargs-a.co_varnames.length;f=e.length-g;e=e.concat(a.$defaults.slice(f));for(c=0;c<d.length;c+=2){b=a.co_varnames.indexOf(d[c]);if(-1===b)throw new Sk.builtin.TypeError("'"+d[c]+"' is an invalid keyword argument for this function");if(b<f)throw new Sk.builtin.TypeError("Argument given by name ('"+d[c]+"') and position ("+
+(b+g+1)+")");e[b+g]=d[c+1]}}return a.apply(null,e)}f=a.tp$call;if(void 0!==f){if(c)for(g=c.tp$iter(),c=g.tp$iternext();void 0!==c;c=g.tp$iternext())e.push(c);if(b)for(g=Sk.abstr.iter(b),c=g.tp$iternext();void 0!==c;c=g.tp$iternext()){if(!Sk.builtin.checkString(c))throw new Sk.builtin.TypeError("Function keywords must be strings");d.push(c.v);d.push(Sk.abstr.objectGetItem(b,c,!1))}return f.call(a,e,d,b)}f=a.__call__;if(void 0!==f)return e.unshift(a),Sk.misceval.apply(f,b,c,d,e);throw new Sk.builtin.TypeError("'"+
+Sk.abstr.typeName(a)+"' object is not callable");};goog.exportSymbol("Sk.misceval.applyOrSuspend",Sk.misceval.applyOrSuspend);Sk.misceval.buildClass=function(a,b,c,d){var e=Sk.builtin.type,f={};b(a,f,[]);f.__module__=a.__name__;a=new Sk.builtin.str(c);d=new Sk.builtin.tuple(d);b=[];for(var g in f)f.hasOwnProperty(g)&&(b.push(new Sk.builtin.str(g)),b.push(f[g]));b=new Sk.builtin.dict(b);return Sk.misceval.callsim(e,a,d,b)};goog.exportSymbol("Sk.misceval.buildClass",Sk.misceval.buildClass);Sk.builtin.seqtype=function(){throw new Sk.builtin.ExternalError("Cannot instantiate abstract Sk.builtin.seqtype class");};Sk.abstr.setUpInheritance("SequenceType",Sk.builtin.seqtype,Sk.builtin.object);Sk.builtin.seqtype.sk$abstract=!0;Sk.builtin.seqtype.prototype.__len__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__len__",arguments,0,0,!1,!0);return new Sk.builtin.int_(a.sq$length())});
+Sk.builtin.seqtype.prototype.__iter__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__iter__",arguments,0,0,!1,!0);return a.tp$iter()});Sk.builtin.seqtype.prototype.__contains__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__contains__",arguments,1,1,!1,!0);return a.sq$contains(b)?Sk.builtin.bool.true$:Sk.builtin.bool.false$});Sk.builtin.seqtype.prototype.__getitem__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__getitem__",arguments,1,1,!1,!0);return a.mp$subscript(b)});
+Sk.builtin.seqtype.prototype.__add__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__add__",arguments,1,1,!1,!0);return a.sq$concat(b)});Sk.builtin.seqtype.prototype.__mul__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__mul__",arguments,1,1,!1,!0);if(!Sk.misceval.isIndex(b))throw new Sk.builtin.TypeError("can't multiply sequence by non-int of type '"+Sk.abstr.typeName(b)+"'");return a.sq$repeat(b)});
+Sk.builtin.seqtype.prototype.__rmul__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__rmul__",arguments,1,1,!1,!0);return a.sq$repeat(b)});Sk.builtin.list=function(a,b){var c,d,e;if(this instanceof Sk.builtin.list)b=b||!1;else return new Sk.builtin.list(a,b||!0);this.__class__=Sk.builtin.list;if(void 0===a)c=[];else if("[object Array]"===Object.prototype.toString.apply(a))c=a;else{if(Sk.builtin.checkIterable(a))return c=[],d=Sk.abstr.iter(a),e=this,function g(a){for(;;){if(a instanceof Sk.misceval.Suspension)return new Sk.misceval.Suspension(g,a);if(void 0===a)return e.v=c,e;c.push(a);a=d.tp$iternext(b)}}(d.tp$iternext(b));throw new Sk.builtin.TypeError("expecting Array or iterable");
+}this.v=this.v=c;return this};Sk.abstr.setUpInheritance("list",Sk.builtin.list,Sk.builtin.seqtype);Sk.abstr.markUnhashable(Sk.builtin.list);Sk.builtin.list.prototype.list_iter_=function(){var a={tp$iter:function(){return a},$obj:this,$index:0,tp$iternext:function(){return a.$index>=a.$obj.v.length?void 0:a.$obj.v[a.$index++]},tp$name:"list_iterator"};return a};
+Sk.builtin.list.prototype.list_concat_=function(a){var b,c;if(!a.__class__||a.__class__!=Sk.builtin.list)throw new Sk.builtin.TypeError("can only concatenate list to list");c=this.v.slice();for(b=0;b<a.v.length;++b)c.push(a.v[b]);return new Sk.builtin.list(c,!1)};
+Sk.builtin.list.prototype.list_extend_=function(a){var b,c;if(!Sk.builtin.checkIterable(a))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not iterable");if(this==a){c=[];a=Sk.abstr.iter(a);for(b=a.tp$iternext();void 0!==b;b=a.tp$iternext())c.push(b);this.v.push.apply(this.v,c)}else for(a=Sk.abstr.iter(a),b=a.tp$iternext();void 0!==b;b=a.tp$iternext())this.v.push(b);return this};
+Sk.builtin.list.prototype.list_del_item_=function(a){a=Sk.builtin.asnum$(a);if(0>a||a>=this.v.length)throw new Sk.builtin.IndexError("list assignment index out of range");this.list_del_slice_(a,a+1)};Sk.builtin.list.prototype.list_del_slice_=function(a,b){var c;a=Sk.builtin.asnum$(a);b=Sk.builtin.asnum$(b);c=[];c.unshift(b-a);c.unshift(a);this.v.splice.apply(this.v,c)};
+Sk.builtin.list.prototype.list_ass_item_=function(a,b){a=Sk.builtin.asnum$(a);if(0>a||a>=this.v.length)throw new Sk.builtin.IndexError("list assignment index out of range");this.v[a]=b};Sk.builtin.list.prototype.list_ass_slice_=function(a,b,c){a=Sk.builtin.asnum$(a);b=Sk.builtin.asnum$(b);if(Sk.builtin.checkIterable(c))c=(new Sk.builtin.list(c,!1)).v.slice(0);else throw new Sk.builtin.TypeError("can only assign an iterable");c.unshift(b-a);c.unshift(a);this.v.splice.apply(this.v,c)};
+Sk.builtin.list.prototype.$r=function(){var a,b,c=[];a=Sk.abstr.iter(this);for(b=a.tp$iternext();void 0!==b;b=a.tp$iternext())b===this?c.push("[...]"):c.push(Sk.misceval.objectRepr(b).v);return new Sk.builtin.str("["+c.join(", ")+"]")};
+Sk.builtin.list.prototype.tp$richcompare=function(a,b){var c,d,e,f,g;if(this===a&&Sk.misceval.opAllowsEquality(b))return!0;if(!a.__class__||a.__class__!=Sk.builtin.list)return"Eq"===b?!1:"NotEq"===b?!0:!1;g=this.v;a=a.v;f=g.length;e=a.length;for(d=0;d<f&&d<e&&(c=Sk.misceval.richCompareBool(g[d],a[d],"Eq"),c);++d);if(d>=f||d>=e)switch(b){case "Lt":return f<e;case "LtE":return f<=e;case "Eq":return f===e;case "NotEq":return f!==e;case "Gt":return f>e;case "GtE":return f>=e;default:goog.asserts.fail()}return"Eq"===
+b?!1:"NotEq"===b?!0:Sk.misceval.richCompareBool(g[d],a[d],b)};Sk.builtin.list.prototype.tp$iter=Sk.builtin.list.prototype.list_iter_;Sk.builtin.list.prototype.sq$length=function(){return this.v.length};Sk.builtin.list.prototype.sq$concat=Sk.builtin.list.prototype.list_concat_;Sk.builtin.list.prototype.nb$add=Sk.builtin.list.prototype.list_concat_;Sk.builtin.list.prototype.nb$inplace_add=Sk.builtin.list.prototype.list_extend_;
+Sk.builtin.list.prototype.sq$repeat=function(a){var b,c,d;if(!Sk.misceval.isIndex(a))throw new Sk.builtin.TypeError("can't multiply sequence by non-int of type '"+Sk.abstr.typeName(a)+"'");a=Sk.misceval.asIndex(a);d=[];for(c=0;c<a;++c)for(b=0;b<this.v.length;++b)d.push(this.v[b]);return new Sk.builtin.list(d,!1)};Sk.builtin.list.prototype.nb$multiply=Sk.builtin.list.prototype.sq$repeat;
+Sk.builtin.list.prototype.nb$inplace_multiply=function(a){var b,c,d;if(!Sk.misceval.isIndex(a))throw new Sk.builtin.TypeError("can't multiply sequence by non-int of type '"+Sk.abstr.typeName(a)+"'");a=Sk.misceval.asIndex(a);d=this.v.length;for(c=1;c<a;++c)for(b=0;b<d;++b)this.v.push(this.v[b]);return this};Sk.builtin.list.prototype.sq$ass_item=Sk.builtin.list.prototype.list_ass_item_;Sk.builtin.list.prototype.sq$del_item=Sk.builtin.list.prototype.list_del_item_;
+Sk.builtin.list.prototype.sq$ass_slice=Sk.builtin.list.prototype.list_ass_slice_;Sk.builtin.list.prototype.sq$del_slice=Sk.builtin.list.prototype.list_del_slice_;Sk.builtin.list.prototype.sq$contains=function(a){var b,c;b=this.tp$iter();for(c=b.tp$iternext();void 0!==c;c=b.tp$iternext())if(Sk.misceval.richCompareBool(c,a,"Eq"))return!0;return!1};
+Sk.builtin.list.prototype.list_subscript_=function(a){var b,c;if(Sk.misceval.isIndex(a)){if(c=Sk.misceval.asIndex(a),void 0!==c){0>c&&(c=this.v.length+c);if(0>c||c>=this.v.length)throw new Sk.builtin.IndexError("list index out of range");return this.v[c]}}else if(a instanceof Sk.builtin.slice)return b=[],a.sssiter$(this,function(a,c){b.push(c.v[a])}),new Sk.builtin.list(b,!1);throw new Sk.builtin.TypeError("list indices must be integers, not "+Sk.abstr.typeName(a));};
+Sk.builtin.list.prototype.list_ass_subscript_=function(a,b){var c,d,e;if(Sk.misceval.isIndex(a)){if(c=Sk.misceval.asIndex(a),void 0!==c){0>c&&(c=this.v.length+c);this.list_ass_item_(c,b);return}}else if(a instanceof Sk.builtin.slice){c=a.slice_indices_(this.v.length);if(1===c[2])this.list_ass_slice_(c[0],c[1],b);else{e=[];a.sssiter$(this,function(a,b){e.push(a)});d=0;if(e.length!==b.v.length)throw new Sk.builtin.ValueError("attempt to assign sequence of size "+b.v.length+" to extended slice of size "+
+e.length);for(c=0;c<e.length;++c)this.v.splice(e[c],1,b.v[d]),d+=1}return}throw new Sk.builtin.TypeError("list indices must be integers, not "+Sk.abstr.typeName(a));};
+Sk.builtin.list.prototype.list_del_subscript_=function(a){var b,c,d,e;if(Sk.misceval.isIndex(a)){if(e=Sk.misceval.asIndex(a),void 0!==e){0>e&&(e=this.v.length+e);this.list_del_item_(e);return}}else if(a instanceof Sk.builtin.slice){e=a.slice_indices_(this.v.length);1===e[2]?this.list_del_slice_(e[0],e[1]):(d=this,c=0,b=0<e[2]?1:0,a.sssiter$(this,function(a,e){d.v.splice(a-c,1);c+=b}));return}throw new Sk.builtin.TypeError("list indices must be integers, not "+typeof a);};
+Sk.builtin.list.prototype.mp$subscript=Sk.builtin.list.prototype.list_subscript_;Sk.builtin.list.prototype.mp$ass_subscript=Sk.builtin.list.prototype.list_ass_subscript_;Sk.builtin.list.prototype.mp$del_subscript=Sk.builtin.list.prototype.list_del_subscript_;Sk.builtin.list.prototype.__getitem__=new Sk.builtin.func(function(a,b){return Sk.builtin.list.prototype.list_subscript_.call(a,b)});
+Sk.builtin.list.prototype.list_sort_=function(a,b,c,d){var e,f,g,h,k=void 0!==c&&null!==c;f=void 0!==b&&null!==b;var l;if(void 0===d)l=!1;else{if(d===Sk.builtin.none.none$)throw new Sk.builtin.TypeError("an integer is required");l=Sk.misceval.isTrue(d)}d=new Sk.builtin.timSort(a);a.v=[];h=new Sk.builtin.int_(0);if(k)for(d.lt=f?function(a,c){var d=Sk.misceval.callsim(b,a[0],c[0]);return Sk.misceval.richCompareBool(d,h,"Lt")}:function(a,b){return Sk.misceval.richCompareBool(a[0],b[0],"Lt")},g=0;g<d.listlength;g++)f=
+d.list.v[g],e=Sk.misceval.callsim(c,f),d.list.v[g]=[e,f];else f&&(d.lt=function(a,c){var d=Sk.misceval.callsim(b,a,c);return Sk.misceval.richCompareBool(d,h,"Lt")});l&&d.list.list_reverse_(d.list);d.sort();l&&d.list.list_reverse_(d.list);if(k)for(c=0;c<d.listlength;c++)f=d.list.v[c][1],d.list.v[c]=f;c=0<a.sq$length();a.v=d.list.v;if(c)throw new Sk.builtin.OperationError("list modified during sort");return Sk.builtin.none.none$};
+Sk.builtin.list.prototype.list_reverse_=function(a){var b,c,d;Sk.builtin.pyCheckArgs("reverse",arguments,1,1);b=a.v.length;d=a.v;c=[];for(b-=1;-1<b;--b)c.push(d[b]);a.v=c;return Sk.builtin.none.none$};Sk.builtin.list.prototype.__iter__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__iter__",arguments,1,1);return a.list_iter_()});Sk.builtin.list.prototype.append=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("append",arguments,2,2);a.v.push(b);return Sk.builtin.none.none$});
+Sk.builtin.list.prototype.insert=new Sk.builtin.func(function(a,b,c){Sk.builtin.pyCheckArgs("insert",arguments,3,3);if(!Sk.builtin.checkNumber(b))throw new Sk.builtin.TypeError("an integer is required");b=Sk.builtin.asnum$(b);0>b&&(b+=a.v.length);0>b?b=0:b>a.v.length&&(b=a.v.length);a.v.splice(b,0,c);return Sk.builtin.none.none$});Sk.builtin.list.prototype.extend=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("extend",arguments,2,2);a.list_extend_(b);return Sk.builtin.none.none$});
+Sk.builtin.list.prototype.pop=new Sk.builtin.func(function(a,b){var c;Sk.builtin.pyCheckArgs("pop",arguments,1,2);void 0===b&&(b=a.v.length-1);if(!Sk.builtin.checkNumber(b))throw new Sk.builtin.TypeError("an integer is required");b=Sk.builtin.asnum$(b);0>b&&(b+=a.v.length);if(0>b||b>=a.v.length)throw new Sk.builtin.IndexError("pop index out of range");c=a.v[b];a.v.splice(b,1);return c});
+Sk.builtin.list.prototype.remove=new Sk.builtin.func(function(a,b){var c;Sk.builtin.pyCheckArgs("remove",arguments,2,2);c=Sk.builtin.list.prototype.index.func_code(a,b);a.v.splice(Sk.builtin.asnum$(c),1);return Sk.builtin.none.none$});
+Sk.builtin.list.prototype.index=new Sk.builtin.func(function(a,b,c,d){var e,f;Sk.builtin.pyCheckArgs("index",arguments,2,4);if(void 0!==c&&!Sk.builtin.checkInt(c))throw new Sk.builtin.TypeError("slice indices must be integers");if(void 0!==d&&!Sk.builtin.checkInt(d))throw new Sk.builtin.TypeError("slice indices must be integers");e=a.v.length;f=a.v;c=void 0===c?0:c.v;0>c&&(c=0<=c+e?c+e:0);d=void 0===d?e:d.v;0>d&&(d=0<=d+e?d+e:0);for(e=c;e<d;++e)if(Sk.misceval.richCompareBool(f[e],b,"Eq"))return new Sk.builtin.int_(e);
+throw new Sk.builtin.ValueError("list.index(x): x not in list");});Sk.builtin.list.prototype.count=new Sk.builtin.func(function(a,b){var c,d,e,f;Sk.builtin.pyCheckArgs("count",arguments,2,2);f=a.v.length;e=a.v;for(c=d=0;c<f;++c)Sk.misceval.richCompareBool(e[c],b,"Eq")&&(d+=1);return new Sk.builtin.int_(d)});Sk.builtin.list.prototype.reverse=new Sk.builtin.func(Sk.builtin.list.prototype.list_reverse_);Sk.builtin.list.prototype.sort=new Sk.builtin.func(Sk.builtin.list.prototype.list_sort_);
+Sk.builtin.list.prototype.sort.func_code.co_varnames=["__self__","cmp","key","reverse"];goog.exportSymbol("Sk.builtin.list",Sk.builtin.list);Sk.builtin.interned={};
+Sk.builtin.str=function(a){void 0===a&&(a="");if(a instanceof Sk.builtin.str)return a;if(!(this instanceof Sk.builtin.str))return new Sk.builtin.str(a);if(!0===a)a="True";else if(!1===a)a="False";else if(null===a||a instanceof Sk.builtin.none)a="None";else if(a instanceof Sk.builtin.bool)a=a.v?"True":"False";else if("number"===typeof a)a=a.toString(),"Infinity"===a?a="inf":"-Infinity"===a&&(a="-inf");else if("string"!==typeof a){if(void 0!==a.tp$str){a=a.tp$str();if(!(a instanceof Sk.builtin.str))throw new Sk.builtin.ValueError("__str__ didn't return a str");
+return a}return Sk.misceval.objectRepr(a)}if(Sk.builtin.interned["1"+a])return Sk.builtin.interned["1"+a];this.__class__=Sk.builtin.str;this.v=this.v=a;Sk.builtin.interned["1"+a]=this;return this};goog.exportSymbol("Sk.builtin.str",Sk.builtin.str);Sk.abstr.setUpInheritance("str",Sk.builtin.str,Sk.builtin.seqtype);
+Sk.builtin.str.prototype.mp$subscript=function(a){var b;if(Sk.misceval.isIndex(a)){a=Sk.misceval.asIndex(a);0>a&&(a=this.v.length+a);if(0>a||a>=this.v.length)throw new Sk.builtin.IndexError("string index out of range");return new Sk.builtin.str(this.v.charAt(a))}if(a instanceof Sk.builtin.slice)return b="",a.sssiter$(this,function(a,d){0<=a&&a<d.v.length&&(b+=d.v.charAt(a))}),new Sk.builtin.str(b);throw new Sk.builtin.TypeError("string indices must be integers, not "+Sk.abstr.typeName(a));};
+Sk.builtin.str.prototype.sq$length=function(){return this.v.length};Sk.builtin.str.prototype.sq$concat=function(a){if(!a||!Sk.builtin.checkString(a))throw a=Sk.abstr.typeName(a),new Sk.builtin.TypeError("cannot concatenate 'str' and '"+a+"' objects");return new Sk.builtin.str(this.v+a.v)};Sk.builtin.str.prototype.nb$add=Sk.builtin.str.prototype.sq$concat;Sk.builtin.str.prototype.nb$inplace_add=Sk.builtin.str.prototype.sq$concat;
+Sk.builtin.str.prototype.sq$repeat=function(a){var b,c;if(!Sk.misceval.isIndex(a))throw new Sk.builtin.TypeError("can't multiply sequence by non-int of type '"+Sk.abstr.typeName(a)+"'");a=Sk.misceval.asIndex(a);c="";for(b=0;b<a;++b)c+=this.v;return new Sk.builtin.str(c)};Sk.builtin.str.prototype.nb$multiply=Sk.builtin.str.prototype.sq$repeat;Sk.builtin.str.prototype.nb$inplace_multiply=Sk.builtin.str.prototype.sq$repeat;Sk.builtin.str.prototype.sq$item=function(){goog.asserts.fail()};
+Sk.builtin.str.prototype.sq$slice=function(a,b){a=Sk.builtin.asnum$(a);b=Sk.builtin.asnum$(b);0>a&&(a=0);return new Sk.builtin.str(this.v.substr(a,b-a))};Sk.builtin.str.prototype.sq$contains=function(a){if(!(a instanceof Sk.builtin.str))throw new Sk.builtin.TypeError("TypeError: 'In <string> requires string as left operand");return-1!=this.v.indexOf(a.v)};
+Sk.builtin.str.prototype.tp$iter=function(){var a={tp$iter:function(){return a},$obj:this,$index:0,tp$iternext:function(){return a.$index>=a.$obj.v.length?void 0:new Sk.builtin.str(a.$obj.v.substr(a.$index++,1))},tp$name:"str_iterator"};return a};
+Sk.builtin.str.prototype.tp$richcompare=function(a,b){if(a instanceof Sk.builtin.str)switch(b){case "Lt":return this.v<a.v;case "LtE":return this.v<=a.v;case "Eq":return this.v===a.v;case "NotEq":return this.v!==a.v;case "Gt":return this.v>a.v;case "GtE":return this.v>=a.v;default:goog.asserts.fail()}};
+Sk.builtin.str.prototype.$r=function(){var a,b,c,d,e="'";-1!==this.v.indexOf("'")&&-1===this.v.indexOf('"')&&(e='"');d=this.v.length;c=e;for(b=0;b<d;++b)a=this.v.charAt(b),a===e||"\\"===a?c+="\\"+a:"\t"===a?c+="\\t":"\n"===a?c+="\\n":"\r"===a?c+="\\r":" ">a||127<=a?(a=a.charCodeAt(0).toString(16),2>a.length&&(a="0"+a),c+="\\x"+a):c+=a;return new Sk.builtin.str(c+e)};
+Sk.builtin.str.re_escape_=function(a){var b,c,d=[],e=/^[A-Za-z0-9]+$/;for(c=0;c<a.length;++c)b=a.charAt(c),e.test(b)?d.push(b):"\\000"===b?d.push("\\000"):d.push("\\"+b);return d.join("")};Sk.builtin.str.prototype.lower=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("lower",arguments,1,1);return new Sk.builtin.str(a.v.toLowerCase())});Sk.builtin.str.prototype.upper=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("upper",arguments,1,1);return new Sk.builtin.str(a.v.toUpperCase())});
+Sk.builtin.str.prototype.capitalize=new Sk.builtin.func(function(a){var b,c,d;Sk.builtin.pyCheckArgs("capitalize",arguments,1,1);d=a.v;if(0===d.length)return new Sk.builtin.str("");c=d.charAt(0).toUpperCase();for(b=1;b<d.length;b++)c+=d.charAt(b).toLowerCase();return new Sk.builtin.str(c)});
+Sk.builtin.str.prototype.join=new Sk.builtin.func(function(a,b){var c,d,e;Sk.builtin.pyCheckArgs("join",arguments,2,2);Sk.builtin.pyCheckType("seq","iterable",Sk.builtin.checkIterable(b));e=[];c=b.tp$iter();for(d=c.tp$iternext();void 0!==d;d=c.tp$iternext()){if(d.constructor!==Sk.builtin.str)throw new Sk.builtin.TypeError("TypeError: sequence item "+e.length+": expected string, "+typeof d+" found");e.push(d.v)}return new Sk.builtin.str(e.join(a.v))});
+Sk.builtin.str.prototype.split=new Sk.builtin.func(function(a,b,c){var d,e,f,g,h,k;Sk.builtin.pyCheckArgs("split",arguments,1,3);if(void 0===b||b instanceof Sk.builtin.none)b=null;if(null!==b&&!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("expected a string");if(null!==b&&""===b.v)throw new Sk.builtin.ValueError("empty separator");if(void 0!==c&&!Sk.builtin.checkInt(c))throw new Sk.builtin.TypeError("an integer is required");c=Sk.builtin.asnum$(c);k=/[\s]+/g;h=a.v;null===b?h=goog.string.trimLeft(h):
+(d=b.v.replace(/([.*+?=|\\\/()\[\]\{\}^$])/g,"\\$1"),k=RegExp(d,"g"));g=[];for(d=e=0;null!=(f=k.exec(h))&&f.index!==k.lastIndex&&!(g.push(new Sk.builtin.str(h.substring(e,f.index))),e=k.lastIndex,d+=1,c&&d>=c););h=h.substring(e);(null!==b||0<h.length)&&g.push(new Sk.builtin.str(h));return new Sk.builtin.list(g)});
+Sk.builtin.str.prototype.strip=new Sk.builtin.func(function(a,b){var c;Sk.builtin.pyCheckArgs("strip",arguments,1,2);if(void 0!==b&&!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("strip arg must be None or str");void 0===b?c=/^\s+|\s+$/g:(c=Sk.builtin.str.re_escape_(b.v),c=RegExp("^["+c+"]+|["+c+"]+$","g"));return new Sk.builtin.str(a.v.replace(c,""))});
+Sk.builtin.str.prototype.lstrip=new Sk.builtin.func(function(a,b){var c;Sk.builtin.pyCheckArgs("lstrip",arguments,1,2);if(void 0!==b&&!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("lstrip arg must be None or str");void 0===b?c=/^\s+/g:(c=Sk.builtin.str.re_escape_(b.v),c=RegExp("^["+c+"]+","g"));return new Sk.builtin.str(a.v.replace(c,""))});
+Sk.builtin.str.prototype.rstrip=new Sk.builtin.func(function(a,b){var c;Sk.builtin.pyCheckArgs("rstrip",arguments,1,2);if(void 0!==b&&!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("rstrip arg must be None or str");void 0===b?c=/\s+$/g:(c=Sk.builtin.str.re_escape_(b.v),c=RegExp("["+c+"]+$","g"));return new Sk.builtin.str(a.v.replace(c,""))});
+Sk.builtin.str.prototype.partition=new Sk.builtin.func(function(a,b){var c,d;Sk.builtin.pyCheckArgs("partition",arguments,2,2);Sk.builtin.pyCheckType("sep","string",Sk.builtin.checkString(b));d=new Sk.builtin.str(b);c=a.v.indexOf(d.v);return 0>c?new Sk.builtin.tuple([a,Sk.builtin.str.$emptystr,Sk.builtin.str.$emptystr]):new Sk.builtin.tuple([new Sk.builtin.str(a.v.substring(0,c)),d,new Sk.builtin.str(a.v.substring(c+d.v.length))])});
+Sk.builtin.str.prototype.rpartition=new Sk.builtin.func(function(a,b){var c,d;Sk.builtin.pyCheckArgs("rpartition",arguments,2,2);Sk.builtin.pyCheckType("sep","string",Sk.builtin.checkString(b));d=new Sk.builtin.str(b);c=a.v.lastIndexOf(d.v);return 0>c?new Sk.builtin.tuple([Sk.builtin.str.$emptystr,Sk.builtin.str.$emptystr,a]):new Sk.builtin.tuple([new Sk.builtin.str(a.v.substring(0,c)),d,new Sk.builtin.str(a.v.substring(c+d.v.length))])});
+Sk.builtin.str.prototype.count=new Sk.builtin.func(function(a,b,c,d){var e;Sk.builtin.pyCheckArgs("count",arguments,2,4);if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("expected a character buffer object");if(void 0!==c&&!Sk.builtin.checkInt(c))throw new Sk.builtin.TypeError("slice indices must be integers or None or have an __index__ method");if(void 0!==d&&!Sk.builtin.checkInt(d))throw new Sk.builtin.TypeError("slice indices must be integers or None or have an __index__ method");void 0===
+c?c=0:(c=Sk.builtin.asnum$(c),c=0<=c?c:a.v.length+c);void 0===d?d=a.v.length:(d=Sk.builtin.asnum$(d),d=0<=d?d:a.v.length+d);e=b.v.replace(/[-[\]{}()*+?.,\\^$|#\s]/g,"\\$&");e=RegExp(e,"g");return(e=a.v.slice(c,d).match(e))?new Sk.builtin.int_(e.length):new Sk.builtin.int_(0)});
+Sk.builtin.str.prototype.ljust=new Sk.builtin.func(function(a,b,c){var d;Sk.builtin.pyCheckArgs("ljust",arguments,2,3);if(!Sk.builtin.checkInt(b))throw new Sk.builtin.TypeError("integer argument exepcted, got "+Sk.abstr.typeName(b));if(void 0!==c&&(!Sk.builtin.checkString(c)||1!==c.v.length))throw new Sk.builtin.TypeError("must be char, not "+Sk.abstr.typeName(c));c=void 0===c?" ":c.v;b=Sk.builtin.asnum$(b);if(a.v.length>=b)return a;d=Array.prototype.join.call({length:Math.floor(b-a.v.length)+1},
+c);return new Sk.builtin.str(a.v+d)});
+Sk.builtin.str.prototype.rjust=new Sk.builtin.func(function(a,b,c){var d;Sk.builtin.pyCheckArgs("rjust",arguments,2,3);if(!Sk.builtin.checkInt(b))throw new Sk.builtin.TypeError("integer argument exepcted, got "+Sk.abstr.typeName(b));if(void 0!==c&&(!Sk.builtin.checkString(c)||1!==c.v.length))throw new Sk.builtin.TypeError("must be char, not "+Sk.abstr.typeName(c));c=void 0===c?" ":c.v;b=Sk.builtin.asnum$(b);if(a.v.length>=b)return a;d=Array.prototype.join.call({length:Math.floor(b-a.v.length)+1},
+c);return new Sk.builtin.str(d+a.v)});
+Sk.builtin.str.prototype.center=new Sk.builtin.func(function(a,b,c){var d;Sk.builtin.pyCheckArgs("center",arguments,2,3);if(!Sk.builtin.checkInt(b))throw new Sk.builtin.TypeError("integer argument exepcted, got "+Sk.abstr.typeName(b));if(void 0!==c&&(!Sk.builtin.checkString(c)||1!==c.v.length))throw new Sk.builtin.TypeError("must be char, not "+Sk.abstr.typeName(c));c=void 0===c?" ":c.v;b=Sk.builtin.asnum$(b);if(a.v.length>=b)return a;d=Array.prototype.join.call({length:Math.floor((b-a.v.length)/
+2)+1},c);d=d+a.v+d;d.length<b&&(d+=c);return new Sk.builtin.str(d)});
+Sk.builtin.str.prototype.find=new Sk.builtin.func(function(a,b,c,d){var e;Sk.builtin.pyCheckArgs("find",arguments,2,4);if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("expected a character buffer object");if(void 0!==c&&!Sk.builtin.checkInt(c))throw new Sk.builtin.TypeError("slice indices must be integers or None or have an __index__ method");if(void 0!==d&&!Sk.builtin.checkInt(d))throw new Sk.builtin.TypeError("slice indices must be integers or None or have an __index__ method");void 0===
+c?c=0:(c=Sk.builtin.asnum$(c),c=0<=c?c:a.v.length+c);void 0===d?d=a.v.length:(d=Sk.builtin.asnum$(d),d=0<=d?d:a.v.length+d);e=a.v.indexOf(b.v,c);return new Sk.builtin.int_(e>=c&&e<d?e:-1)});Sk.builtin.str.prototype.index=new Sk.builtin.func(function(a,b,c,d){var e;Sk.builtin.pyCheckArgs("index",arguments,2,4);e=Sk.misceval.callsim(a.find,a,b,c,d);if(-1===Sk.builtin.asnum$(e))throw new Sk.builtin.ValueError("substring not found");return e});
+Sk.builtin.str.prototype.rfind=new Sk.builtin.func(function(a,b,c,d){var e;Sk.builtin.pyCheckArgs("rfind",arguments,2,4);if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("expected a character buffer object");if(void 0!==c&&!Sk.builtin.checkInt(c))throw new Sk.builtin.TypeError("slice indices must be integers or None or have an __index__ method");if(void 0!==d&&!Sk.builtin.checkInt(d))throw new Sk.builtin.TypeError("slice indices must be integers or None or have an __index__ method");void 0===
+c?c=0:(c=Sk.builtin.asnum$(c),c=0<=c?c:a.v.length+c);void 0===d?d=a.v.length:(d=Sk.builtin.asnum$(d),d=0<=d?d:a.v.length+d);e=a.v.lastIndexOf(b.v,d);e=e!==d?e:a.v.lastIndexOf(b.v,d-1);return new Sk.builtin.int_(e>=c&&e<d?e:-1)});Sk.builtin.str.prototype.rindex=new Sk.builtin.func(function(a,b,c,d){var e;Sk.builtin.pyCheckArgs("rindex",arguments,2,4);e=Sk.misceval.callsim(a.rfind,a,b,c,d);if(-1===Sk.builtin.asnum$(e))throw new Sk.builtin.ValueError("substring not found");return e});
+Sk.builtin.str.prototype.startswith=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("startswith",arguments,2,2);Sk.builtin.pyCheckType("tgt","string",Sk.builtin.checkString(b));return new Sk.builtin.bool(0===a.v.indexOf(b.v))});Sk.builtin.str.prototype.endswith=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("endswith",arguments,2,2);Sk.builtin.pyCheckType("tgt","string",Sk.builtin.checkString(b));return new Sk.builtin.bool(-1!==a.v.indexOf(b.v,a.v.length-b.v.length))});
+Sk.builtin.str.prototype.replace=new Sk.builtin.func(function(a,b,c,d){var e,f;Sk.builtin.pyCheckArgs("replace",arguments,3,4);Sk.builtin.pyCheckType("oldS","string",Sk.builtin.checkString(b));Sk.builtin.pyCheckType("newS","string",Sk.builtin.checkString(c));if(void 0!==d&&!Sk.builtin.checkInt(d))throw new Sk.builtin.TypeError("integer argument expected, got "+Sk.abstr.typeName(d));d=Sk.builtin.asnum$(d);f=RegExp(Sk.builtin.str.re_escape_(b.v),"g");if(void 0===d||0>d)return new Sk.builtin.str(a.v.replace(f,
+c.v));e=0;return new Sk.builtin.str(a.v.replace(f,function(a){e++;return e<=d?c.v:a}))});Sk.builtin.str.prototype.zfill=new Sk.builtin.func(function(a,b){var c=a.v,d,e,f="";Sk.builtin.pyCheckArgs("zfill",arguments,2,2);if(!Sk.builtin.checkInt(b))throw new Sk.builtin.TypeError("integer argument exepected, got "+Sk.abstr.typeName(b));d=b.v-c.length;e="+"===c[0]||"-"===c[0]?1:0;for(var g=0;g<d;g++)f+="0";c=c.substr(0,e)+f+c.substr(e);return new Sk.builtin.str(c)});
+Sk.builtin.str.prototype.isdigit=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("isdigit",arguments,1,1);return new Sk.builtin.bool(/^\d+$/.test(a.v))});Sk.builtin.str.prototype.isspace=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("isspace",arguments,1,1);return new Sk.builtin.bool(/^\s+$/.test(a.v))});
+Sk.builtin.str.prototype.expandtabs=new Sk.builtin.func(function(a,b){var c,d;Sk.builtin.pyCheckArgs("expandtabs",arguments,1,2);if(void 0!==b&&!Sk.builtin.checkInt(b))throw new Sk.builtin.TypeError("integer argument exepected, got "+Sk.abstr.typeName(b));b=void 0===b?8:Sk.builtin.asnum$(b);c=Array(b+1).join(" ");d=a.v.replace(/([^\r\n\t]*)\t/g,function(a,d){return d+c.slice(d.length%b)});return new Sk.builtin.str(d)});
+Sk.builtin.str.prototype.swapcase=new Sk.builtin.func(function(a){var b;Sk.builtin.pyCheckArgs("swapcase",arguments,1,1);b=a.v.replace(/[a-z]/gi,function(a){var b=a.toLowerCase();return b===a?a.toUpperCase():b});return new Sk.builtin.str(b)});
+Sk.builtin.str.prototype.splitlines=new Sk.builtin.func(function(a,b){var c=a.v,d=0,e=a.v.length,f=[],g,h=0;Sk.builtin.pyCheckArgs("splitlines",arguments,1,2);if(void 0!==b&&!Sk.builtin.checkBool(b))throw new Sk.builtin.TypeError("boolean argument expected, got "+Sk.abstr.typeName(b));b=void 0===b?!1:b.v;for(d=0;d<e;d++)if(g=c.charAt(d),"\n"===c.charAt(d+1)&&"\r"===g)g=d+2,h=c.slice(h,g),b||(h=h.replace(/(\r|\n)/g,"")),f.push(new Sk.builtin.str(h)),h=g;else if("\n"===g&&"\r"!==c.charAt(d-1)||"\r"===
+g)g=d+1,h=c.slice(h,g),b||(h=h.replace(/(\r|\n)/g,"")),f.push(new Sk.builtin.str(h)),h=g;h<e&&(h=c.slice(h,e),b||(h=h.replace(/(\r|\n)/g,"")),f.push(new Sk.builtin.str(h)));return new Sk.builtin.list(f)});Sk.builtin.str.prototype.title=new Sk.builtin.func(function(a){var b;Sk.builtin.pyCheckArgs("title",arguments,1,1);b=a.v.replace(/[a-z][a-z]*/gi,function(a){return a[0].toUpperCase()+a.substr(1).toLowerCase()});return new Sk.builtin.str(b)});
+Sk.builtin.str.prototype.isalpha=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("isalpha",arguments,1,1);return new Sk.builtin.bool(a.v.length&&goog.string.isAlpha(a.v))});Sk.builtin.str.prototype.isalnum=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("isalnum",arguments,1,1);return new Sk.builtin.bool(a.v.length&&goog.string.isAlphaNumeric(a.v))});
+Sk.builtin.str.prototype.isnumeric=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("isnumeric",arguments,1,1);return new Sk.builtin.bool(a.v.length&&goog.string.isNumeric(a.v))});Sk.builtin.str.prototype.islower=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("islower",arguments,1,1);return new Sk.builtin.bool(a.v.length&&/[a-z]/.test(a.v)&&!/[A-Z]/.test(a.v))});
+Sk.builtin.str.prototype.isupper=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("isupper",arguments,1,1);return new Sk.builtin.bool(a.v.length&&!/[a-z]/.test(a.v)&&/[A-Z]/.test(a.v))});
+Sk.builtin.str.prototype.istitle=new Sk.builtin.func(function(a){var b=a.v,c=!1,d=!1,e,f;Sk.builtin.pyCheckArgs("istitle",arguments,1,1);for(e=0;e<b.length;e++)if(f=b.charAt(e),!/[a-z]/.test(f)&&/[A-Z]/.test(f)){if(d)return new Sk.builtin.bool(!1);c=d=!0}else if(/[a-z]/.test(f)&&!/[A-Z]/.test(f)){if(!d)return new Sk.builtin.bool(!1);c=!0}else d=!1;return new Sk.builtin.bool(c)});
+Sk.builtin.str.prototype.nb$remainder=function(a){var b,c;a.constructor===Sk.builtin.tuple||void 0!==a.mp$subscript&&a.constructor!==Sk.builtin.str||(a=new Sk.builtin.tuple([a]));c=0;b=this.v.replace(/%(\([a-zA-Z0-9]+\))?([#0 +\-]+)?(\*|[0-9]+)?(\.(\*|[0-9]+))?[hlL]?([diouxXeEfFgGcrs%])/g,function(b,e,f,g,h,k,l){var m,p,n,r,q,t;g=Sk.builtin.asnum$(g);h=Sk.builtin.asnum$(h);if(void 0===e||""===e)m=c++;""===h&&(h=void 0);p=n=r=q=t=!1;f&&(-1!==f.indexOf("-")?q=!0:-1!==f.indexOf("0")&&(t=!0),-1!==f.indexOf("+")?
+n=!0:-1!==f.indexOf(" ")&&(r=!0),p=-1!==f.indexOf("#"));h&&(h=parseInt(h.substr(1),10));f=function(a,b){var c,d,e,f;b=Sk.builtin.asnum$(b);e=!1;"number"===typeof a?(0>a&&(a=-a,e=!0),f=a.toString(b)):a instanceof Sk.builtin.float_?(f=a.str$(b,!1),2<f.length&&".0"===f.substr(-2)&&(f=f.substr(0,f.length-2)),e=a.nb$isnegative()):a instanceof Sk.builtin.int_?(f=a.str$(b,!1),e=a.nb$isnegative()):a instanceof Sk.builtin.lng&&(f=a.str$(b,!1),e=a.nb$isnegative());goog.asserts.assert(void 0!==f,"unhandled number format");
+c=!1;if(h)for(d=f.length;d<h;++d)f="0"+f,c=!0;d="";e?d="-":n?d="+"+d:r&&(d=" "+d);p&&(16===b?d+="0x":8!==b||(c||"0"===f)||(d+="0"));return[d,f]};b=function(a){var b,c=a[0];a=a[1];if(g)if(g=parseInt(g,10),b=a.length+c.length,t)for(;b<g;++b)a="0"+a;else if(q)for(;b<g;++b)a+=" ";else for(;b<g;++b)c=" "+c;return c+a};if(a.constructor===Sk.builtin.tuple)e=a.v[m];else if(void 0!==a.mp$subscript&&void 0!==e)e=e.substring(1,e.length-1),e=a.mp$subscript(new Sk.builtin.str(e));else if(a.constructor===Sk.builtin.dict||
+a.constructor===Sk.builtin.list)e=a;else throw new Sk.builtin.AttributeError(a.tp$name+" instance has no attribute 'mp$subscript'");if("d"===l||"i"===l)return b(f(e,10));if("o"===l)return b(f(e,8));if("x"===l)return b(f(e,16));if("X"===l)return b(f(e,16)).toUpperCase();if("f"===l||"F"===l||"e"===l||"E"===l||"g"===l||"G"===l){m=Sk.builtin.asnum$(e);"string"===typeof m&&(m=Number(m));if(Infinity===m)return"inf";if(-Infinity===m)return"-inf";if(isNaN(m))return"nan";f=["toExponential","toFixed","toPrecision"]["efg".indexOf(l.toLowerCase())];
+if(void 0===h||""===h)if("e"===l||"E"===l)h=6;else if("f"===l||"F"===l)h=7;f=m[f](h);Sk.builtin.checkFloat(e)&&0===m&&-Infinity===1/m&&(f="-"+f);-1!=="EFG".indexOf(l)&&(f=f.toUpperCase());return b(["",f])}if("c"===l){if("number"===typeof e)return String.fromCharCode(e);if(e instanceof Sk.builtin.int_)return String.fromCharCode(e.v);if(e instanceof Sk.builtin.float_)return String.fromCharCode(e.v);if(e instanceof Sk.builtin.lng)return String.fromCharCode(e.str$(10,!1)[0]);if(e.constructor===Sk.builtin.str)return e.v.substr(0,
+1);throw new Sk.builtin.TypeError("an integer is required");}if("r"===l)return l=Sk.builtin.repr(e),h?l.v.substr(0,h):l.v;if("s"===l){l=new Sk.builtin.str(e);if(h)return l.v.substr(0,h);g&&(l.v=b([" ",l.v]));return l.v}if("%"===l)return"%"});return new Sk.builtin.str(b)};var format=function(a){var b,c,d,e={};Sk.builtin.pyCheckArgs("format",arguments,0,Infinity,!0,!0);b=new Sk.builtins.tuple(Array.prototype.slice.call(arguments,1));c=new Sk.builtins.dict(a);if(void 0===arguments[1])return b.v;d=0;if(0!==c.size){c=Sk.misceval.callsim(Sk.builtin.dict.prototype.items,c);for(var f in c.v)e[c.v[f].v[0].v]=c.v[f].v[1].v}for(var g in b.v)"0"!==g&&(e[g-1]=b.v[g].v);b=b.v[0].v.replace(/{(((?:\d+)|(?:\w+))?((?:\.(\w+))|(?:\[((?:\d+)|(?:\w+))\])?))?(?:\!([rs]))?(?:\:((?:(.)?([<\>\=\^]))?([\+\-\s])?(#)?(0)?(\d+)?(,)?(?:\.(\d+))?([bcdeEfFgGnosxX%])?))?}/g,
+function(a,b,c,f,g,n,r,q,t,y,v,z,F,w,E,x,s,K,C){var D,u,A,B,G,H,I,J;w=Sk.builtin.asnum$(w);x=Sk.builtin.asnum$(x);if(void 0!==n&&""!==n)u=e[c][n].v,d++;else if(void 0!==g&&""!==g)u=e[c][g].v,d++;else if(void 0!==c&&""!==c)u=e[c],d++;else if(void 0===b||""===b)a=e[d],d++,u=a;else if(b instanceof Sk.builtin.int_||b instanceof Sk.builtin.float_||b instanceof Sk.builtin.lng||!isNaN(parseInt(b,10)))a=e[b],d++,u=a;""===x&&(x=void 0);if(void 0===t||""===t)t=" ";B=G=H=I=!1;q&&(void 0!==v&&""!==v&&(-1!=="-".indexOf(v)?
+I=!0:-1!=="+".indexOf(v)?G=!0:-1!==" ".indexOf(v)&&(H=!0)),z&&(B=-1!=="#".indexOf(z)),void 0===w||""===w||void 0!==t&&""!==t||(t=" "),-1!=="%".indexOf(s)&&(J=!0));x&&(x=parseInt(x,10));D=function(a){if(void 0===r||""===r)return a;if("r"==r)return a=new Sk.builtin.str(a),a=Sk.builtin.repr(a),a.v;if("s"==r)return a=new Sk.builtin.str(a),a.v};A=function(a,b){var c;J&&(b+="%");if(void 0!==w&&""!==w)if(w=parseInt(w,10),c=b.length+a.length,I)for(;c<w;++c)b+=t;else if(-1!==">".indexOf(y))for(;c<w;++c)a=
+t+a;else if(-1!=="^".indexOf(y))for(;c<w;++c)0===c%2?a=t+a:1===c%2&&(b+=t);else if(-1!=="=".indexOf(y))for(;c<w;++c)b=t+b;else for(;c<w;++c)b+=t;return D(a+b)};v=function(a,b){var c,d,e;b=Sk.builtin.asnum$(b);d=!1;if(void 0===q)return D(u);"number"!==typeof a||x?x?(0>a&&(a=-a,d=!0),a=Number(a.toString(b)),e=a.toFixed(x)):a instanceof Sk.builtin.float_?(e=a.str$(b,!1),2<e.length&&".0"===e.substr(-2)&&(e=e.substr(0,e.length-2)),d=a.nb$isnegative()):a instanceof Sk.builtin.int_?(e=a.str$(b,!1),d=a.nb$isnegative()):
+a instanceof Sk.builtin.lng?(e=a.str$(b,!1),d=a.nb$isnegative()):e=a:(0>a&&(a=-a,d=!0),e=a.toString(b));c="";d?c="-":G?c="+":H&&(c=" ");B&&(16===b?c+="0x":8===b&&"0"!==e?c+="0o":2===b&&"0"!==e&&(c+="0b"));"n"===s?e=e.toLocaleString():-1!==",".indexOf(E)&&(d=e.toString().split("."),d[0]=d[0].replace(/\B(?=(\d{3})+(?!\d))/g,","),e=d.join("."));return A(c,e)};if("d"===s||"n"===s||""===s||void 0===s)return v(u,10);if("b"===s)return v(u,2);if("o"===s)return v(u,8);if("x"===s)return v(u,16);if("X"===s)return v(u,
+16).toUpperCase();if("f"===s||"F"===s||"e"===s||"E"===s||"g"===s||"G"===s){if(B)throw new Sk.builtin.ValueError("Alternate form (#) not allowed in float format specifier");a=Sk.builtin.asnum$(u);"string"===typeof a&&(a=Number(a));if(Infinity===a)return A("","inf");if(-Infinity===a)return A("-","inf");if(isNaN(a))return A("","nan");z=["toExponential","toFixed","toPrecision"]["efg".indexOf(s.toLowerCase())];if(void 0===x||""===x)if("e"===s||"E"===s||"%"===s)x=6;else if("f"===s||"F"===s)x=6;z=a[z](x);
+-1!=="EFG".indexOf(s)&&(z=z.toUpperCase());return v(z,10)}if("c"===s){if("number"===typeof u)return A("",String.fromCharCode(u));if(u instanceof Sk.builtin.int_)return A("",String.fromCharCode(u.v));if(u instanceof Sk.builtin.float_)return A("",String.fromCharCode(u.v));if(u instanceof Sk.builtin.lng)return A("",String.fromCharCode(u.str$(10,!1)[0]));if(u.constructor===Sk.builtin.str)return A("",u.v.substr(0,1));throw new Sk.builtin.TypeError("an integer is required");}if(J)return void 0===x&&(x=
+7),v(100*u,10)});return new Sk.builtin.str(b)};format.co_kwargs=!0;Sk.builtin.str.prototype.format=new Sk.builtin.func(format);Sk.builtin.tuple=function(a){var b;if(!(this instanceof Sk.builtin.tuple))return new Sk.builtin.tuple(a);void 0===a&&(a=[]);if("[object Array]"===Object.prototype.toString.apply(a))this.v=a;else if(Sk.builtin.checkIterable(a))for(this.v=[],a=Sk.abstr.iter(a),b=a.tp$iternext();void 0!==b;b=a.tp$iternext())this.v.push(b);else throw new Sk.builtin.TypeError("expecting Array or iterable");this.__class__=Sk.builtin.tuple;this.v=this.v;return this};Sk.abstr.setUpInheritance("tuple",Sk.builtin.tuple,Sk.builtin.seqtype);
+Sk.builtin.tuple.prototype.$r=function(){var a,b;if(0===this.v.length)return new Sk.builtin.str("()");b=[];for(a=0;a<this.v.length;++a)b[a]=Sk.misceval.objectRepr(this.v[a]).v;a=b.join(", ");1===this.v.length&&(a+=",");return new Sk.builtin.str("("+a+")")};
+Sk.builtin.tuple.prototype.mp$subscript=function(a){var b,c;if(Sk.misceval.isIndex(a)){if(c=Sk.misceval.asIndex(a),void 0!==c){0>c&&(c=this.v.length+c);if(0>c||c>=this.v.length)throw new Sk.builtin.IndexError("tuple index out of range");return this.v[c]}}else if(a instanceof Sk.builtin.slice)return b=[],a.sssiter$(this,function(a,c){b.push(c.v[a])}),new Sk.builtin.tuple(b);throw new Sk.builtin.TypeError("tuple indices must be integers, not "+Sk.abstr.typeName(a));};
+Sk.builtin.tuple.prototype.tp$hash=function(){var a,b,c=1000003,d=3430008,e=this.v.length;for(b=0;b<e;++b){a=Sk.builtin.hash(this.v[b]).v;if(-1===a)return new Sk.builtin.int_(-1);d=(d^a)*c;c+=82520+e+e}d+=97531;-1===d&&(d=-2);return new Sk.builtin.int_(d|0)};Sk.builtin.tuple.prototype.sq$repeat=function(a){var b,c,d;a=Sk.misceval.asIndex(a);d=[];for(c=0;c<a;++c)for(b=0;b<this.v.length;++b)d.push(this.v[b]);return new Sk.builtin.tuple(d)};Sk.builtin.tuple.prototype.nb$multiply=Sk.builtin.tuple.prototype.sq$repeat;
+Sk.builtin.tuple.prototype.nb$inplace_multiply=Sk.builtin.tuple.prototype.sq$repeat;Sk.builtin.tuple.prototype.tp$iter=function(){var a={tp$iter:function(){return a},$obj:this,$index:0,tp$iternext:function(){return a.$index>=a.$obj.v.length?void 0:a.$obj.v[a.$index++]},tp$name:"tuple_iterator"};return a};Sk.builtin.tuple.prototype.__iter__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__iter__",arguments,1,1);return a.tp$iter()});
+Sk.builtin.tuple.prototype.tp$richcompare=function(a,b){var c,d,e,f,g;if(!a.__class__||!Sk.misceval.isTrue(Sk.builtin.isinstance(a,Sk.builtin.tuple)))return"Eq"===b?!1:"NotEq"===b?!0:!1;g=this.v;a=a.v;f=g.length;e=a.length;for(d=0;d<f&&d<e&&(c=Sk.misceval.richCompareBool(g[d],a[d],"Eq"),c);++d);if(d>=f||d>=e)switch(b){case "Lt":return f<e;case "LtE":return f<=e;case "Eq":return f===e;case "NotEq":return f!==e;case "Gt":return f>e;case "GtE":return f>=e;default:goog.asserts.fail()}return"Eq"===b?!1:
+"NotEq"===b?!0:Sk.misceval.richCompareBool(g[d],a[d],b)};Sk.builtin.tuple.prototype.sq$concat=function(a){if(a.__class__!=Sk.builtin.tuple)throw a='can only concatenate tuple (not "'+(Sk.abstr.typeName(a)+'") to tuple'),new Sk.builtin.TypeError(a);return new Sk.builtin.tuple(this.v.concat(a.v))};Sk.builtin.tuple.prototype.sq$contains=function(a){var b,c;b=this.tp$iter();for(c=b.tp$iternext();void 0!==c;c=b.tp$iternext())if(Sk.misceval.richCompareBool(c,a,"Eq"))return!0;return!1};
+Sk.builtin.tuple.prototype.nb$add=Sk.builtin.tuple.prototype.sq$concat;Sk.builtin.tuple.prototype.nb$inplace_add=Sk.builtin.tuple.prototype.sq$concat;Sk.builtin.tuple.prototype.sq$length=function(){return this.v.length};Sk.builtin.tuple.prototype.index=new Sk.builtin.func(function(a,b){var c,d=a.v.length,e=a.v;for(c=0;c<d;++c)if(Sk.misceval.richCompareBool(e[c],b,"Eq"))return new Sk.builtin.int_(c);throw new Sk.builtin.ValueError("tuple.index(x): x not in tuple");});
+Sk.builtin.tuple.prototype.count=new Sk.builtin.func(function(a,b){var c,d=a.v.length,e=a.v,f=0;for(c=0;c<d;++c)Sk.misceval.richCompareBool(e[c],b,"Eq")&&(f+=1);return new Sk.builtin.int_(f)});goog.exportSymbol("Sk.builtin.tuple",Sk.builtin.tuple);Sk.builtin.dict=function(a){var b,c,d;if(!(this instanceof Sk.builtin.dict))return new Sk.builtin.dict(a);void 0===a&&(a=[]);this.size=0;if("[object Array]"===Object.prototype.toString.apply(a))for(b=0;b<a.length;b+=2)this.mp$ass_subscript(a[b],a[b+1]);else if(a instanceof Sk.builtin.dict)for(c=Sk.abstr.iter(a),d=c.tp$iternext();void 0!==d;d=c.tp$iternext())b=a.mp$subscript(d),void 0===b&&(b=null),this.mp$ass_subscript(d,b);else if(Sk.builtin.checkIterable(a))for(c=Sk.abstr.iter(a),b=c.tp$iternext();void 0!==
+b;b=c.tp$iternext())if(b.mp$subscript)this.mp$ass_subscript(b.mp$subscript(0),b.mp$subscript(1));else throw new Sk.builtin.TypeError("element "+this.size+" is not a sequence");else throw new Sk.builtin.TypeError("object is not iterable");this.__class__=Sk.builtin.dict;return this};Sk.abstr.setUpInheritance("dict",Sk.builtin.dict,Sk.builtin.object);Sk.abstr.markUnhashable(Sk.builtin.dict);var kf=Sk.builtin.hash;
+Sk.builtin.dict.prototype.key$lookup=function(a,b){var c,d,e;for(e=0;e<a.items.length;e++)if(c=a.items[e],d=Sk.misceval.richCompareBool(c.lhs,b,"Eq"))return c;return null};Sk.builtin.dict.prototype.key$pop=function(a,b){var c,d,e;for(e=0;e<a.items.length;e++)if(c=a.items[e],d=Sk.misceval.richCompareBool(c.lhs,b,"Eq"))return a.items.splice(e,1),this.size-=1,c};Sk.builtin.dict.prototype.mp$lookup=function(a){var b=this[kf(a).v];if(void 0!==b&&(a=this.key$lookup(b,a)))return a.rhs};
+Sk.builtin.dict.prototype.mp$subscript=function(a){Sk.builtin.pyCheckArgs("[]",arguments,1,2,!1,!1);var b;b=this.mp$lookup(a);if(void 0!==b)return b;b=new Sk.builtin.str(a);throw new Sk.builtin.KeyError(b.v);};Sk.builtin.dict.prototype.sq$contains=function(a){Sk.builtin.pyCheckArgs("__contains__()",arguments,1,1,!1,!1);return void 0!==this.mp$lookup(a)};
+Sk.builtin.dict.prototype.mp$ass_subscript=function(a,b){var c=kf(a),d=this[c.v];void 0===d?(d={$hash:c,items:[{lhs:a,rhs:b}]},this[c.v]=d,this.size+=1):(c=this.key$lookup(d,a))?c.rhs=b:(d.items.push({lhs:a,rhs:b}),this.size+=1)};Sk.builtin.dict.prototype.mp$del_subscript=function(a){Sk.builtin.pyCheckArgs("del",arguments,1,1,!1,!1);var b=this[kf(a).v];if(void 0!==b&&(b=this.key$pop(b,a),void 0!==b))return;b=new Sk.builtin.str(a);throw new Sk.builtin.KeyError(b.v);};
+Sk.builtin.dict.prototype.tp$iter=function(){var a,b,c,d,e=[];for(d in this)if(this.hasOwnProperty(d)&&(c=this[d])&&void 0!==c.$hash&&void 0!==c.items)for(b=0;b<c.items.length;b++)e.push(c.items[b].lhs);return a={tp$iter:function(){return a},$obj:this,$index:0,$keys:e,tp$iternext:function(){return a.$index>=a.$keys.length?void 0:a.$keys[a.$index++]},tp$name:"dict_keyiterator"}};
+Sk.builtin.dict.prototype.$r=function(){var a,b,c,d=[];b=Sk.abstr.iter(this);for(c=b.tp$iternext();void 0!==c;c=b.tp$iternext())a=this.mp$subscript(c),void 0===a&&(a=null),a===this?d.push(Sk.misceval.objectRepr(c).v+": {...}"):d.push(Sk.misceval.objectRepr(c).v+": "+Sk.misceval.objectRepr(a).v);return new Sk.builtin.str("{"+d.join(", ")+"}")};Sk.builtin.dict.prototype.mp$length=function(){return this.size};
+Sk.builtin.dict.prototype.get=new Sk.builtin.func(function(a,b,c){Sk.builtin.pyCheckArgs("get()",arguments,1,2,!1,!0);var d;void 0===c&&(c=Sk.builtin.none.none$);d=a.mp$lookup(b);void 0===d&&(d=c);return d});Sk.builtin.dict.prototype.pop=new Sk.builtin.func(function(a,b,c){Sk.builtin.pyCheckArgs("pop()",arguments,1,2,!1,!0);var d=kf(b),d=a[d.v];if(void 0!==d&&(d=a.key$pop(d,b),void 0!==d))return d.rhs;if(void 0!==c)return c;d=new Sk.builtin.str(b);throw new Sk.builtin.KeyError(d.v);});
+Sk.builtin.dict.prototype.has_key=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("has_key()",arguments,1,1,!1,!0);return new Sk.builtin.bool(a.sq$contains(b))});Sk.builtin.dict.prototype.items=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("items()",arguments,0,0,!1,!0);var b,c,d,e=[];c=Sk.abstr.iter(a);for(d=c.tp$iternext();void 0!==d;d=c.tp$iternext())b=a.mp$subscript(d),void 0===b&&(b=null),e.push(new Sk.builtin.tuple([d,b]));return new Sk.builtin.list(e)});
+Sk.builtin.dict.prototype.keys=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("keys()",arguments,0,0,!1,!0);var b,c,d=[];b=Sk.abstr.iter(a);for(c=b.tp$iternext();void 0!==c;c=b.tp$iternext())d.push(c);return new Sk.builtin.list(d)});Sk.builtin.dict.prototype.values=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("values()",arguments,0,0,!1,!0);var b,c,d=[];c=Sk.abstr.iter(a);for(b=c.tp$iternext();void 0!==b;b=c.tp$iternext())b=a.mp$subscript(b),void 0===b&&(b=null),d.push(b);return new Sk.builtin.list(d)});
+Sk.builtin.dict.prototype.clear=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("clear()",arguments,0,0,!1,!0);var b,c;c=Sk.abstr.iter(a);for(b=c.tp$iternext();void 0!==b;b=c.tp$iternext())a.mp$del_subscript(b)});Sk.builtin.dict.prototype.setdefault=new Sk.builtin.func(function(a,b,c){try{return a.mp$subscript(b)}catch(d){return void 0===c&&(c=Sk.builtin.none.none$),a.mp$ass_subscript(b,c),c}});
+Sk.builtin.dict.prototype.dict_merge=function(a){var b,c,d;if(a instanceof Sk.builtin.dict)for(b=a.tp$iter(),c=b.tp$iternext();void 0!==c;c=b.tp$iternext()){d=a.mp$subscript(c);if(void 0===d)throw new Sk.builtin.AttributeError("cannot get item for key: "+c.v);this.mp$ass_subscript(c,d)}else for(b=Sk.misceval.callsim(a.keys,a),b=Sk.abstr.iter(b),c=b.tp$iternext();void 0!==c;c=b.tp$iternext()){d=a.tp$getitem(c);if(void 0===d)throw new Sk.builtin.AttributeError("cannot get item for key: "+c.v);this.mp$ass_subscript(c,
+d)}};
+var update_f=function(a,b,c){if(void 0!==c&&("dict"===c.tp$name||c.keys))b.dict_merge(c);else if(void 0!==c&&Sk.builtin.checkIterable(c)){var d,e=0;c=Sk.abstr.iter(c);for(d=c.tp$iternext();void 0!==d;d=c.tp$iternext(),e++){if(!Sk.builtin.checkIterable(d))throw new Sk.builtin.TypeError("cannot convert dictionary update sequence element #"+e+" to a sequence");if(2===d.sq$length()){var f=Sk.abstr.iter(d);d=f.tp$iternext();f=f.tp$iternext();b.mp$ass_subscript(d,f)}else throw new Sk.builtin.ValueError("dictionary update sequence element #"+e+
+" has length "+d.sq$length()+"; 2 is required");}}else if(void 0!==c)throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(c)+"' object is not iterable");a=new Sk.builtins.dict(a);b.dict_merge(a);return Sk.builtin.none.none$};update_f.co_kwargs=!0;Sk.builtin.dict.prototype.update=new Sk.builtin.func(update_f);Sk.builtin.dict.prototype.__contains__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__contains__",arguments,1,1,!1,!0);return Sk.builtin.dict.prototype.sq$contains.call(a,b)});
+Sk.builtin.dict.prototype.__cmp__=new Sk.builtin.func(function(a,b,c){return Sk.builtin.NotImplemented.NotImplemented$});Sk.builtin.dict.prototype.__delitem__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__delitem__",arguments,1,1,!1,!0);return Sk.builtin.dict.prototype.mp$del_subscript.call(a,b)});Sk.builtin.dict.prototype.__getitem__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__getitem__",arguments,1,1,!1,!0);return Sk.builtin.dict.prototype.mp$subscript.call(a,b)});
+Sk.builtin.dict.prototype.__setitem__=new Sk.builtin.func(function(a,b,c){Sk.builtin.pyCheckArgs("__setitem__",arguments,2,2,!1,!0);return Sk.builtin.dict.prototype.mp$ass_subscript.call(a,b,c)});Sk.builtin.dict.prototype.__hash__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__hash__",arguments,0,0,!1,!0);return Sk.builtin.dict.prototype.tp$hash.call(a)});Sk.builtin.dict.prototype.__len__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__len__",arguments,0,0,!1,!0);return Sk.builtin.dict.prototype.mp$length.call(a)});
+Sk.builtin.dict.prototype.__getattr__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__getattr__",arguments,1,1,!1,!0);if(!Sk.builtin.checkString(b))throw new Sk.builtin.TypeError("__getattr__ requires a string");return Sk.builtin.dict.prototype.tp$getattr.call(a,Sk.ffi.remapToJs(b))});Sk.builtin.dict.prototype.__iter__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__iter__",arguments,0,0,!1,!0);return Sk.builtin.dict.prototype.tp$iter.call(a)});
+Sk.builtin.dict.prototype.__repr__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__repr__",arguments,0,0,!1,!0);return Sk.builtin.dict.prototype.$r.call(a)});
+Sk.builtin.dict.prototype.ob$eq=function(a){var b,c,d;if(this===a)return Sk.builtin.bool.true$;if(!(a instanceof Sk.builtin.dict))return Sk.builtin.NotImplemented.NotImplemented$;if(this.size!==a.size)return Sk.builtin.bool.false$;b=this.tp$iter();for(c=b.tp$iternext();void 0!==c;c=b.tp$iternext())if(d=this.mp$subscript(c),c=a.mp$subscript(c),!Sk.misceval.richCompareBool(d,c,"Eq"))return Sk.builtin.bool.false$;return Sk.builtin.bool.true$};
+Sk.builtin.dict.prototype.ob$ne=function(a){a=this.ob$eq(a);return a instanceof Sk.builtin.NotImplemented?a:a.v?Sk.builtin.bool.false$:Sk.builtin.bool.true$};Sk.builtin.dict.prototype.copy=new Sk.builtin.func(function(a){throw new Sk.builtin.NotImplementedError("dict.copy is not yet implemented in Skulpt");});Sk.builtin.dict.prototype.fromkeys=new Sk.builtin.func(function(a,b){throw new Sk.builtin.NotImplementedError("dict.fromkeys is not yet implemented in Skulpt");});
+Sk.builtin.dict.prototype.iteritems=new Sk.builtin.func(function(a){throw new Sk.builtin.NotImplementedError("dict.iteritems is not yet implemented in Skulpt");});Sk.builtin.dict.prototype.iterkeys=new Sk.builtin.func(function(a){throw new Sk.builtin.NotImplementedError("dict.iterkeys is not yet implemented in Skulpt");});Sk.builtin.dict.prototype.itervalues=new Sk.builtin.func(function(a){throw new Sk.builtin.NotImplementedError("dict.itervalues is not yet implemented in Skulpt");});
+Sk.builtin.dict.prototype.popitem=new Sk.builtin.func(function(a){throw new Sk.builtin.NotImplementedError("dict.popitem is not yet implemented in Skulpt");});Sk.builtin.dict.prototype.viewitems=new Sk.builtin.func(function(a){throw new Sk.builtin.NotImplementedError("dict.viewitems is not yet implemented in Skulpt");});Sk.builtin.dict.prototype.viewkeys=new Sk.builtin.func(function(a){throw new Sk.builtin.NotImplementedError("dict.viewkeys is not yet implemented in Skulpt");});
+Sk.builtin.dict.prototype.viewvalues=new Sk.builtin.func(function(a){throw new Sk.builtin.NotImplementedError("dict.viewvalues is not yet implemented in Skulpt");});goog.exportSymbol("Sk.builtin.dict",Sk.builtin.dict);Sk.builtin.numtype=function(){throw new Sk.builtin.ExternalError("Cannot instantiate abstract Sk.builtin.numtype class");};Sk.abstr.setUpInheritance("NumericType",Sk.builtin.numtype,Sk.builtin.object);Sk.builtin.numtype.sk$abstract=!0;Sk.builtin.numtype.prototype.__abs__=new Sk.builtin.func(function(a){if(void 0===a.nb$abs)throw new Sk.builtin.NotImplementedError("__abs__ is not yet implemented");Sk.builtin.pyCheckArgs("__abs__",arguments,0,0,!1,!0);return a.nb$abs()});
+Sk.builtin.numtype.prototype.__neg__=new Sk.builtin.func(function(a){if(void 0===a.nb$negative)throw new Sk.builtin.NotImplementedError("__neg__ is not yet implemented");Sk.builtin.pyCheckArgs("__neg__",arguments,0,0,!1,!0);return a.nb$negative()});Sk.builtin.numtype.prototype.__pos__=new Sk.builtin.func(function(a){if(void 0===a.nb$positive)throw new Sk.builtin.NotImplementedError("__pos__ is not yet implemented");Sk.builtin.pyCheckArgs("__pos__",arguments,0,0,!1,!0);return a.nb$positive()});
+Sk.builtin.numtype.prototype.__int__=new Sk.builtin.func(function(a){if(void 0===a.nb$int_)throw new Sk.builtin.NotImplementedError("__int__ is not yet implemented");Sk.builtin.pyCheckArgs("__int__",arguments,0,0,!1,!0);return a.nb$int_()});Sk.builtin.numtype.prototype.__long__=new Sk.builtin.func(function(a){if(void 0===a.nb$lng)throw new Sk.builtin.NotImplementedError("__long__ is not yet implemented");Sk.builtin.pyCheckArgs("__long__",arguments,0,0,!1,!0);return a.nb$lng()});
+Sk.builtin.numtype.prototype.__float__=new Sk.builtin.func(function(a){if(void 0===a.nb$float_)throw new Sk.builtin.NotImplementedError("__float__ is not yet implemented");Sk.builtin.pyCheckArgs("__float__",arguments,0,0,!1,!0);return a.nb$float_()});Sk.builtin.numtype.prototype.__add__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$add)throw new Sk.builtin.NotImplementedError("__add__ is not yet implemented");Sk.builtin.pyCheckArgs("__add__",arguments,1,1,!1,!0);return a.nb$add(b)});
+Sk.builtin.numtype.prototype.__radd__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$reflected_add)throw new Sk.builtin.NotImplementedError("__radd__ is not yet implemented");Sk.builtin.pyCheckArgs("__radd__",arguments,1,1,!1,!0);return a.nb$reflected_add(b)});Sk.builtin.numtype.prototype.__sub__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$subtract)throw new Sk.builtin.NotImplementedError("__sub__ is not yet implemented");Sk.builtin.pyCheckArgs("__sub__",arguments,1,1,!1,!0);return a.nb$subtract(b)});
+Sk.builtin.numtype.prototype.__rsub__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$reflected_subtract)throw new Sk.builtin.NotImplementedError("__rsub__ is not yet implemented");Sk.builtin.pyCheckArgs("__rsub__",arguments,1,1,!1,!0);return a.nb$reflected_subtract(b)});
+Sk.builtin.numtype.prototype.__mul__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$multiply)throw new Sk.builtin.NotImplementedError("__mul__ is not yet implemented");Sk.builtin.pyCheckArgs("__mul__",arguments,1,1,!1,!0);return a.nb$multiply(b)});Sk.builtin.numtype.prototype.__rmul__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$reflected_multiply)throw new Sk.builtin.NotImplementedError("__rmul__ is not yet implemented");Sk.builtin.pyCheckArgs("__rmul__",arguments,1,1,!1,!0);return a.nb$reflected_multiply(b)});
+Sk.builtin.numtype.prototype.__div__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$divide)throw new Sk.builtin.NotImplementedError("__div__ is not yet implemented");Sk.builtin.pyCheckArgs("__div__",arguments,1,1,!1,!0);return a.nb$divide(b)});Sk.builtin.numtype.prototype.__rdiv__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$reflected_divide)throw new Sk.builtin.NotImplementedError("__rdiv__ is not yet implemented");Sk.builtin.pyCheckArgs("__rdiv__",arguments,1,1,!1,!0);return a.nb$reflected_divide(b)});
+Sk.builtin.numtype.prototype.__floordiv__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$floor_divide)throw new Sk.builtin.NotImplementedError("__floordiv__ is not yet implemented");Sk.builtin.pyCheckArgs("__floordiv__",arguments,1,1,!1,!0);return a.nb$floor_divide(b)});
+Sk.builtin.numtype.prototype.__rfloordiv__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$reflected_floor_divide)throw new Sk.builtin.NotImplementedError("__rfloordiv__ is not yet implemented");Sk.builtin.pyCheckArgs("__rfloordiv__",arguments,1,1,!1,!0);return a.nb$reflected_floor_divide(b)});
+Sk.builtin.numtype.prototype.__mod__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$remainder)throw new Sk.builtin.NotImplementedError("__mod__ is not yet implemented");Sk.builtin.pyCheckArgs("__mod__",arguments,1,1,!1,!0);return a.nb$remainder(b)});Sk.builtin.numtype.prototype.__rmod__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$reflected_remainder)throw new Sk.builtin.NotImplementedError("__rmod__ is not yet implemented");Sk.builtin.pyCheckArgs("__rmod__",arguments,1,1,!1,!0);return a.nb$reflected_remainder(b)});
+Sk.builtin.numtype.prototype.__divmod__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$divmod)throw new Sk.builtin.NotImplementedError("__divmod__ is not yet implemented");Sk.builtin.pyCheckArgs("__divmod__",arguments,1,1,!1,!0);return a.nb$divmod(b)});
+Sk.builtin.numtype.prototype.__rdivmod__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$reflected_divmod)throw new Sk.builtin.NotImplementedError("__rdivmod__ is not yet implemented");Sk.builtin.pyCheckArgs("__rdivmod__",arguments,1,1,!1,!0);return a.nb$reflected_divmod(b)});
+Sk.builtin.numtype.prototype.__pow__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$power)throw new Sk.builtin.NotImplementedError("__pow__ is not yet implemented");Sk.builtin.pyCheckArgs("__pow__",arguments,1,1,!1,!0);return a.nb$power(b)});Sk.builtin.numtype.prototype.__rpow__=new Sk.builtin.func(function(a,b){if(void 0===a.nb$reflected_power)throw new Sk.builtin.NotImplementedError("__rpow__ is not yet implemented");Sk.builtin.pyCheckArgs("__rpow__",arguments,1,1,!1,!0);return a.nb$reflected_power(b)});
+Sk.builtin.numtype.prototype.__coerce__=new Sk.builtin.func(function(a,b){throw new Sk.builtin.NotImplementedError("__coerce__ is not yet implemented");});Sk.builtin.numtype.prototype.nb$add=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$reflected_add=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$inplace_add=function(a){return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.numtype.prototype.nb$subtract=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$reflected_subtract=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$inplace_subtract=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$multiply=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$reflected_multiply=function(a){return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.numtype.prototype.nb$inplace_multiply=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$divide=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$reflected_divide=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$inplace_divide=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$floor_divide=function(a){return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.numtype.prototype.nb$reflected_floor_divide=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$inplace_floor_divide=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$remainder=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$reflected_remainder=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$inplace_remainder=function(a){return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.numtype.prototype.nb$divmod=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$reflected_divmod=function(a){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$power=function(a,b){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$reflected_power=function(a,b){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$inplace_power=function(a){return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.numtype.prototype.nb$abs=function(){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$negative=function(){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$positive=function(){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$nonzero=function(){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.numtype.prototype.nb$isnegative=function(){return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.numtype.prototype.nb$ispositive=function(){return Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.biginteger=function(a,b,c){null!=a&&("number"==typeof a?this.fromNumber(a,b,c):null==b&&"string"!=typeof a?this.fromString(a,256):this.fromString(a,b))};Sk.builtin.biginteger.canary=0xdeadbeefcafe;Sk.builtin.biginteger.j_lm=15715070==(Sk.builtin.biginteger.canary&16777215);Sk.builtin.biginteger.nbi=function(){return new Sk.builtin.biginteger(null)};
+Sk.builtin.biginteger.prototype.am1=function(a,b,c,d,e,f){for(var g;0<=--f;)g=b*this[a++]+c[d]+e,e=Math.floor(g/67108864),c[d++]=g&67108863;return e};Sk.builtin.biginteger.prototype.am2=function(a,b,c,d,e,f){for(var g,h,k=b&32767,l=b>>15;0<=--f;)h=this[a]&32767,g=this[a++]>>15,b=l*h+g*k,h=k*h+((b&32767)<<15)+c[d]+(e&1073741823),e=(h>>>30)+(b>>>15)+l*g+(e>>>30),c[d++]=h&1073741823;return e};
+Sk.builtin.biginteger.prototype.am3=function(a,b,c,d,e,f){for(var g,h,k=b&16383,l=b>>14;0<=--f;)h=this[a]&16383,g=this[a++]>>14,b=l*h+g*k,h=k*h+((b&16383)<<14)+c[d]+e,e=(h>>28)+(b>>14)+l*g,c[d++]=h&268435455;return e};Sk.builtin.biginteger.prototype.am=Sk.builtin.biginteger.prototype.am3;Sk.builtin.biginteger.dbits=28;Sk.builtin.biginteger.prototype.DB=Sk.builtin.biginteger.dbits;Sk.builtin.biginteger.prototype.DM=(1<<Sk.builtin.biginteger.dbits)-1;Sk.builtin.biginteger.prototype.DV=1<<Sk.builtin.biginteger.dbits;
+Sk.builtin.biginteger.BI_FP=52;Sk.builtin.biginteger.prototype.FV=Math.pow(2,Sk.builtin.biginteger.BI_FP);Sk.builtin.biginteger.prototype.F1=Sk.builtin.biginteger.BI_FP-Sk.builtin.biginteger.dbits;Sk.builtin.biginteger.prototype.F2=2*Sk.builtin.biginteger.dbits-Sk.builtin.biginteger.BI_FP;Sk.builtin.biginteger.BI_RM="0123456789abcdefghijklmnopqrstuvwxyz";Sk.builtin.biginteger.BI_RC=[];var rr,vv;rr=48;for(vv=0;9>=vv;++vv)Sk.builtin.biginteger.BI_RC[rr++]=vv;rr=97;
+for(vv=10;36>vv;++vv)Sk.builtin.biginteger.BI_RC[rr++]=vv;rr=65;for(vv=10;36>vv;++vv)Sk.builtin.biginteger.BI_RC[rr++]=vv;Sk.builtin.biginteger.int2char=function(a){return Sk.builtin.biginteger.BI_RM.charAt(a)};Sk.builtin.biginteger.intAt=function(a,b){var c=Sk.builtin.biginteger.BI_RC[a.charCodeAt(b)];return null==c?-1:c};Sk.builtin.biginteger.prototype.bnpCopyTo=function(a){var b;for(b=this.t-1;0<=b;--b)a[b]=this[b];a.t=this.t;a.s=this.s};
+Sk.builtin.biginteger.prototype.bnpFromInt=function(a){this.t=1;this.s=0>a?-1:0;0<a?this[0]=a:-1>a?this[0]=a+this.DV:this.t=0};Sk.builtin.biginteger.nbv=function(a){var b=new Sk.builtin.biginteger(null);b.bnpFromInt(a);return b};
+Sk.builtin.biginteger.prototype.bnpFromString=function(a,b){var c,d,e,f,g;if(16==b)g=4;else if(8==b)g=3;else if(256==b)g=8;else if(2==b)g=1;else if(32==b)g=5;else if(4==b)g=2;else{this.fromRadix(a,b);return}this.s=this.t=0;d=a.length;e=!1;for(f=0;0<=--d;)c=8==g?a[d]&255:Sk.builtin.biginteger.intAt(a,d),0>c?"-"==a.charAt(d)&&(e=!0):(e=!1,0===f?this[this.t++]=c:f+g>this.DB?(this[this.t-1]|=(c&(1<<this.DB-f)-1)<<f,this[this.t++]=c>>this.DB-f):this[this.t-1]|=c<<f,f+=g,f>=this.DB&&(f-=this.DB));8==g&&
+0!==(a[0]&128)&&(this.s=-1,0<f&&(this[this.t-1]|=(1<<this.DB-f)-1<<f));this.clamp();e&&Sk.builtin.biginteger.ZERO.subTo(this,this)};Sk.builtin.biginteger.prototype.bnpClamp=function(){for(var a=this.s&this.DM;0<this.t&&this[this.t-1]==a;)--this.t};
+Sk.builtin.biginteger.prototype.bnToString=function(a){var b,c,d,e,f,g;if(0>this.s)return"-"+this.negate().toString(a);if(16==a)g=4;else if(8==a)g=3;else if(2==a)g=1;else if(32==a)g=5;else if(4==a)g=2;else return this.toRadix(a);b=(1<<g)-1;d=!1;e="";f=this.t;a=this.DB-f*this.DB%g;if(0<f--)for(a<this.DB&&0<(c=this[f]>>a)&&(d=!0,e=Sk.builtin.biginteger.int2char(c));0<=f;)a<g?(c=(this[f]&(1<<a)-1)<<g-a,c|=this[--f]>>(a+=this.DB-g)):(c=this[f]>>(a-=g)&b,0>=a&&(a+=this.DB,--f)),0<c&&(d=!0),d&&(e+=Sk.builtin.biginteger.int2char(c));
+return d?e:"0"};Sk.builtin.biginteger.prototype.bnNegate=function(){var a=Sk.builtin.biginteger.nbi();Sk.builtin.biginteger.ZERO.subTo(this,a);return a};Sk.builtin.biginteger.prototype.bnAbs=function(){return 0>this.s?this.negate():this};Sk.builtin.biginteger.prototype.bnCompareTo=function(a){var b,c=this.s-a.s;if(0!==c)return c;b=this.t;c=b-a.t;if(0!==c)return 0>this.s?-c:c;for(;0<=--b;)if(0!==(c=this[b]-a[b]))return c;return 0};
+Sk.builtin.biginteger.nbits=function(a){var b=1,c;0!==(c=a>>>16)&&(a=c,b+=16);0!==(c=a>>8)&&(a=c,b+=8);0!==(c=a>>4)&&(a=c,b+=4);0!==(c=a>>2)&&(a=c,b+=2);0!==a>>1&&(b+=1);return b};Sk.builtin.biginteger.prototype.bnBitLength=function(){return 0>=this.t?0:this.DB*(this.t-1)+Sk.builtin.biginteger.nbits(this[this.t-1]^this.s&this.DM)};Sk.builtin.biginteger.prototype.bnpDLShiftTo=function(a,b){var c;for(c=this.t-1;0<=c;--c)b[c+a]=this[c];for(c=a-1;0<=c;--c)b[c]=0;b.t=this.t+a;b.s=this.s};
+Sk.builtin.biginteger.prototype.bnpDRShiftTo=function(a,b){var c;for(c=a;c<this.t;++c)b[c-a]=this[c];b.t=Math.max(this.t-a,0);b.s=this.s};Sk.builtin.biginteger.prototype.bnpLShiftTo=function(a,b){var c=a%this.DB,d=this.DB-c,e=(1<<d)-1,f=Math.floor(a/this.DB),g=this.s<<c&this.DM,h;for(h=this.t-1;0<=h;--h)b[h+f+1]=this[h]>>d|g,g=(this[h]&e)<<c;for(h=f-1;0<=h;--h)b[h]=0;b[f]=g;b.t=this.t+f+1;b.s=this.s;b.clamp()};
+Sk.builtin.biginteger.prototype.bnpRShiftTo=function(a,b){var c,d,e,f,g;b.s=this.s;g=Math.floor(a/this.DB);if(g>=this.t)b.t=0;else{f=a%this.DB;e=this.DB-f;d=(1<<f)-1;b[0]=this[g]>>f;for(c=g+1;c<this.t;++c)b[c-g-1]|=(this[c]&d)<<e,b[c-g]=this[c]>>f;0<f&&(b[this.t-g-1]|=(this.s&d)<<e);b.t=this.t-g;b.clamp()}};
+Sk.builtin.biginteger.prototype.bnpSubTo=function(a,b){for(var c=0,d=0,e=Math.min(a.t,this.t);c<e;)d+=this[c]-a[c],b[c++]=d&this.DM,d>>=this.DB;if(a.t<this.t){for(d-=a.s;c<this.t;)d+=this[c],b[c++]=d&this.DM,d>>=this.DB;d+=this.s}else{for(d+=this.s;c<a.t;)d-=a[c],b[c++]=d&this.DM,d>>=this.DB;d-=a.s}b.s=0>d?-1:0;-1>d?b[c++]=this.DV+d:0<d&&(b[c++]=d);b.t=c;b.clamp()};
+Sk.builtin.biginteger.prototype.bnpMultiplyTo=function(a,b){var c=this.abs(),d=a.abs(),e=c.t;for(b.t=e+d.t;0<=--e;)b[e]=0;for(e=0;e<d.t;++e)b[e+c.t]=c.am(0,d[e],b,e,0,c.t);b.s=0;b.clamp();this.s!=a.s&&Sk.builtin.biginteger.ZERO.subTo(b,b)};
+Sk.builtin.biginteger.prototype.bnpSquareTo=function(a){for(var b,c=this.abs(),d=a.t=2*c.t;0<=--d;)a[d]=0;for(d=0;d<c.t-1;++d)b=c.am(d,c[d],a,2*d,0,1),(a[d+c.t]+=c.am(d+1,2*c[d],a,2*d+1,b,c.t-d-1))>=c.DV&&(a[d+c.t]-=c.DV,a[d+c.t+1]=1);0<a.t&&(a[a.t-1]+=c.am(d,c[d],a,2*d,0,1));a.s=0;a.clamp()};
+Sk.builtin.biginteger.prototype.bnpDivRemTo=function(a,b,c){var d,e,f,g,h,k,l,m,p,n,r,q;m=a.abs();if(!(0>=m.t))if(h=this.abs(),h.t<m.t)null!=b&&b.fromInt(0),null!=c&&this.copyTo(c);else if(null==c&&(c=Sk.builtin.biginteger.nbi()),n=Sk.builtin.biginteger.nbi(),r=this.s,q=a.s,a=this.DB-Sk.builtin.biginteger.nbits(m[m.t-1]),0<a?(m.lShiftTo(a,n),h.lShiftTo(a,c)):(m.copyTo(n),h.copyTo(c)),p=n.t,m=n[p-1],0!==m){d=m*(1<<this.F1)+(1<p?n[p-2]>>this.F2:0);h=this.FV/d;k=(1<<this.F1)/d;l=1<<this.F2;e=c.t;f=e-
+p;g=null==b?Sk.builtin.biginteger.nbi():b;n.dlShiftTo(f,g);0<=c.compareTo(g)&&(c[c.t++]=1,c.subTo(g,c));Sk.builtin.biginteger.ONE.dlShiftTo(p,g);for(g.subTo(n,n);n.t<p;)n[n.t++]=0;for(;0<=--f;)if(d=c[--e]==m?this.DM:Math.floor(c[e]*h+(c[e-1]+l)*k),(c[e]+=n.am(0,d,c,f,0,p))<d)for(n.dlShiftTo(f,g),c.subTo(g,c);c[e]<--d;)c.subTo(g,c);null!=b&&(c.drShiftTo(p,b),r!=q&&Sk.builtin.biginteger.ZERO.subTo(b,b));c.t=p;c.clamp();0<a&&c.rShiftTo(a,c);0>r&&Sk.builtin.biginteger.ZERO.subTo(c,c)}};
+Sk.builtin.biginteger.prototype.bnMod=function(a){var b=Sk.builtin.biginteger.nbi();this.abs().divRemTo(a,null,b);0>this.s&&0<b.compareTo(Sk.builtin.biginteger.ZERO)&&a.subTo(b,b);return b};Sk.builtin.biginteger.Classic=function(a){this.m=a};Sk.builtin.biginteger.prototype.cConvert=function(a){return 0>a.s||0<=a.compareTo(this.m)?a.mod(this.m):a};Sk.builtin.biginteger.prototype.cRevert=function(a){return a};Sk.builtin.biginteger.prototype.cReduce=function(a){a.divRemTo(this.m,null,a)};
+Sk.builtin.biginteger.prototype.cMulTo=function(a,b,c){a.multiplyTo(b,c);this.reduce(c)};Sk.builtin.biginteger.prototype.cSqrTo=function(a,b){a.squareTo(b);this.reduce(b)};Sk.builtin.biginteger.Classic.prototype.convert=Sk.builtin.biginteger.prototype.cConvert;Sk.builtin.biginteger.Classic.prototype.revert=Sk.builtin.biginteger.prototype.cRevert;Sk.builtin.biginteger.Classic.prototype.reduce=Sk.builtin.biginteger.prototype.cReduce;Sk.builtin.biginteger.Classic.prototype.mulTo=Sk.builtin.biginteger.prototype.cMulTo;
+Sk.builtin.biginteger.Classic.prototype.sqrTo=Sk.builtin.biginteger.prototype.cSqrTo;Sk.builtin.biginteger.prototype.bnpInvDigit=function(){var a,b;if(1>this.t)return 0;b=this[0];if(0===(b&1))return 0;a=b&3;a=a*(2-(b&15)*a)&15;a=a*(2-(b&255)*a)&255;a=a*(2-((b&65535)*a&65535))&65535;a=a*(2-b*a%this.DV)%this.DV;return 0<a?this.DV-a:-a};Sk.builtin.biginteger.Montgomery=function(a){this.m=a;this.mp=a.invDigit();this.mpl=this.mp&32767;this.mph=this.mp>>15;this.um=(1<<a.DB-15)-1;this.mt2=2*a.t};
+Sk.builtin.biginteger.prototype.montConvert=function(a){var b=Sk.builtin.biginteger.nbi();a.abs().dlShiftTo(this.m.t,b);b.divRemTo(this.m,null,b);0>a.s&&0<b.compareTo(Sk.builtin.biginteger.ZERO)&&this.m.subTo(b,b);return b};Sk.builtin.biginteger.prototype.montRevert=function(a){var b=Sk.builtin.biginteger.nbi();a.copyTo(b);this.reduce(b);return b};
+Sk.builtin.biginteger.prototype.montReduce=function(a){for(var b,c,d;a.t<=this.mt2;)a[a.t++]=0;for(d=0;d<this.m.t;++d)for(c=a[d]&32767,b=c*this.mpl+((c*this.mph+(a[d]>>15)*this.mpl&this.um)<<15)&a.DM,c=d+this.m.t,a[c]+=this.m.am(0,b,a,d,0,this.m.t);a[c]>=a.DV;)a[c]-=a.DV,a[++c]++;a.clamp();a.drShiftTo(this.m.t,a);0<=a.compareTo(this.m)&&a.subTo(this.m,a)};Sk.builtin.biginteger.prototype.montSqrTo=function(a,b){a.squareTo(b);this.reduce(b)};
+Sk.builtin.biginteger.prototype.montMulTo=function(a,b,c){a.multiplyTo(b,c);this.reduce(c)};Sk.builtin.biginteger.Montgomery.prototype.convert=Sk.builtin.biginteger.prototype.montConvert;Sk.builtin.biginteger.Montgomery.prototype.revert=Sk.builtin.biginteger.prototype.montRevert;Sk.builtin.biginteger.Montgomery.prototype.reduce=Sk.builtin.biginteger.prototype.montReduce;Sk.builtin.biginteger.Montgomery.prototype.mulTo=Sk.builtin.biginteger.prototype.montMulTo;
+Sk.builtin.biginteger.Montgomery.prototype.sqrTo=Sk.builtin.biginteger.prototype.montSqrTo;Sk.builtin.biginteger.prototype.bnpIsEven=function(){return 0===(0<this.t?this[0]&1:this.s)};Sk.builtin.biginteger.prototype.bnpExp=function(a,b){var c,d,e,f,g;if(4294967295<a||1>a)return Sk.builtin.biginteger.ONE;d=Sk.builtin.biginteger.nbi();e=Sk.builtin.biginteger.nbi();f=b.convert(this);g=Sk.builtin.biginteger.nbits(a)-1;for(f.copyTo(d);0<=--g;)b.sqrTo(d,e),0<(a&1<<g)?b.mulTo(e,f,d):(c=d,d=e,e=c);return b.revert(d)};
+Sk.builtin.biginteger.prototype.bnModPowInt=function(a,b){var c;c=256>a||b.isEven()?new Sk.builtin.biginteger.Classic(b):new Sk.builtin.biginteger.Montgomery(b);return this.exp(a,c)};Sk.builtin.biginteger.prototype.copyTo=Sk.builtin.biginteger.prototype.bnpCopyTo;Sk.builtin.biginteger.prototype.fromInt=Sk.builtin.biginteger.prototype.bnpFromInt;Sk.builtin.biginteger.prototype.fromString=Sk.builtin.biginteger.prototype.bnpFromString;Sk.builtin.biginteger.prototype.clamp=Sk.builtin.biginteger.prototype.bnpClamp;
+Sk.builtin.biginteger.prototype.dlShiftTo=Sk.builtin.biginteger.prototype.bnpDLShiftTo;Sk.builtin.biginteger.prototype.drShiftTo=Sk.builtin.biginteger.prototype.bnpDRShiftTo;Sk.builtin.biginteger.prototype.lShiftTo=Sk.builtin.biginteger.prototype.bnpLShiftTo;Sk.builtin.biginteger.prototype.rShiftTo=Sk.builtin.biginteger.prototype.bnpRShiftTo;Sk.builtin.biginteger.prototype.subTo=Sk.builtin.biginteger.prototype.bnpSubTo;Sk.builtin.biginteger.prototype.multiplyTo=Sk.builtin.biginteger.prototype.bnpMultiplyTo;
+Sk.builtin.biginteger.prototype.squareTo=Sk.builtin.biginteger.prototype.bnpSquareTo;Sk.builtin.biginteger.prototype.divRemTo=Sk.builtin.biginteger.prototype.bnpDivRemTo;Sk.builtin.biginteger.prototype.invDigit=Sk.builtin.biginteger.prototype.bnpInvDigit;Sk.builtin.biginteger.prototype.isEven=Sk.builtin.biginteger.prototype.bnpIsEven;Sk.builtin.biginteger.prototype.exp=Sk.builtin.biginteger.prototype.bnpExp;Sk.builtin.biginteger.prototype.toString=Sk.builtin.biginteger.prototype.bnToString;
+Sk.builtin.biginteger.prototype.negate=Sk.builtin.biginteger.prototype.bnNegate;Sk.builtin.biginteger.prototype.abs=Sk.builtin.biginteger.prototype.bnAbs;Sk.builtin.biginteger.prototype.compareTo=Sk.builtin.biginteger.prototype.bnCompareTo;Sk.builtin.biginteger.prototype.bitLength=Sk.builtin.biginteger.prototype.bnBitLength;Sk.builtin.biginteger.prototype.mod=Sk.builtin.biginteger.prototype.bnMod;Sk.builtin.biginteger.prototype.modPowInt=Sk.builtin.biginteger.prototype.bnModPowInt;
+Sk.builtin.biginteger.ZERO=Sk.builtin.biginteger.nbv(0);Sk.builtin.biginteger.ONE=Sk.builtin.biginteger.nbv(1);Sk.builtin.biginteger.prototype.bnClone=function(){var a=Sk.builtin.biginteger.nbi();this.copyTo(a);return a};Sk.builtin.biginteger.prototype.bnIntValue=function(){if(0>this.s){if(1==this.t)return this[0]-this.DV;if(0===this.t)return-1}else{if(1==this.t)return this[0];if(0===this.t)return 0}return(this[1]&(1<<32-this.DB)-1)<<this.DB|this[0]};
+Sk.builtin.biginteger.prototype.bnByteValue=function(){return 0===this.t?this.s:this[0]<<24>>24};Sk.builtin.biginteger.prototype.bnShortValue=function(){return 0===this.t?this.s:this[0]<<16>>16};Sk.builtin.biginteger.prototype.bnpChunkSize=function(a){return Math.floor(Math.LN2*this.DB/Math.log(a))};Sk.builtin.biginteger.prototype.bnSigNum=function(){return 0>this.s?-1:0>=this.t||1==this.t&&0>=this[0]?0:1};
+Sk.builtin.biginteger.prototype.bnpToRadix=function(a){var b,c,d,e,f;null==a&&(a=10);if(0===this.signum()||2>a||36<a)return"0";b=this.chunkSize(a);f=Math.pow(a,b);b=Sk.builtin.biginteger.nbv(f);c=Sk.builtin.biginteger.nbi();d=Sk.builtin.biginteger.nbi();e="";for(this.divRemTo(b,c,d);0<c.signum();)e=(f+d.intValue()).toString(a).substr(1)+e,c.divRemTo(b,c,d);return d.intValue().toString(a)+e};
+Sk.builtin.biginteger.prototype.bnpFromRadix=function(a,b){var c,d,e,f,g,h,k;this.fromInt(0);null==b&&(b=10);k=this.chunkSize(b);e=Math.pow(b,k);f=!1;for(d=h=g=0;d<a.length;++d)if(c=Sk.builtin.biginteger.intAt(a,d),0>c){if("-"==a.charAt(d)&&0===this.signum()&&(f=!0),"."==a.charAt(d))break}else h=b*h+c,++g>=k&&(this.dMultiply(e),this.dAddOffset(h,0),h=g=0);0<g&&(this.dMultiply(Math.pow(b,g)),this.dAddOffset(h,0));f&&Sk.builtin.biginteger.ZERO.subTo(this,this)};
+Sk.builtin.biginteger.prototype.bnpFromNumber=function(a,b,c){if("number"==typeof b)if(2>a)this.fromInt(1);else for(this.fromNumber(a,c),this.testBit(a-1)||this.bitwiseTo(Sk.builtin.biginteger.ONE.shiftLeft(a-1),Sk.builtin.biginteger.op_or,this),this.isEven()&&this.dAddOffset(1,0);!this.isProbablePrime(b);)this.dAddOffset(2,0),this.bitLength()>a&&this.subTo(Sk.builtin.biginteger.ONE.shiftLeft(a-1),this);this.fromString(a+"")};
+Sk.builtin.biginteger.prototype.bnToByteArray=function(){var a,b,c,d=this.t,e=[];e[0]=this.s;a=this.DB-d*this.DB%8;c=0;if(0<d--)for(a<this.DB&&(b=this[d]>>a)!=(this.s&this.DM)>>a&&(e[c++]=b|this.s<<this.DB-a);0<=d;)if(8>a?(b=(this[d]&(1<<a)-1)<<8-a,b|=this[--d]>>(a+=this.DB-8)):(b=this[d]>>(a-=8)&255,0>=a&&(a+=this.DB,--d)),0!==(b&128)&&(b|=-256),0===c&&(this.s&128)!=(b&128)&&++c,0<c||b!=this.s)e[c++]=b;return e};Sk.builtin.biginteger.prototype.bnEquals=function(a){return 0===this.compareTo(a)};
+Sk.builtin.biginteger.prototype.bnMin=function(a){return 0>this.compareTo(a)?this:a};Sk.builtin.biginteger.prototype.bnMax=function(a){return 0<this.compareTo(a)?this:a};Sk.builtin.biginteger.prototype.bnpBitwiseTo=function(a,b,c){var d,e,f=Math.min(a.t,this.t);for(d=0;d<f;++d)c[d]=b(this[d],a[d]);if(a.t<this.t){e=a.s&this.DM;for(d=f;d<this.t;++d)c[d]=b(this[d],e);c.t=this.t}else{e=this.s&this.DM;for(d=f;d<a.t;++d)c[d]=b(e,a[d]);c.t=a.t}c.s=b(this.s,a.s);c.clamp()};
+Sk.builtin.biginteger.op_and=function(a,b){return a&b};Sk.builtin.biginteger.prototype.bnAnd=function(a){var b=Sk.builtin.biginteger.nbi();this.bitwiseTo(a,Sk.builtin.biginteger.op_and,b);return b};Sk.builtin.biginteger.op_or=function(a,b){return a|b};Sk.builtin.biginteger.prototype.bnOr=function(a){var b=Sk.builtin.biginteger.nbi();this.bitwiseTo(a,Sk.builtin.biginteger.op_or,b);return b};Sk.builtin.biginteger.op_xor=function(a,b){return a^b};
+Sk.builtin.biginteger.prototype.bnXor=function(a){var b=Sk.builtin.biginteger.nbi();this.bitwiseTo(a,Sk.builtin.biginteger.op_xor,b);return b};Sk.builtin.biginteger.op_andnot=function(a,b){return a&~b};Sk.builtin.biginteger.prototype.bnAndNot=function(a){var b=Sk.builtin.biginteger.nbi();this.bitwiseTo(a,Sk.builtin.biginteger.op_andnot,b);return b};
+Sk.builtin.biginteger.prototype.bnNot=function(){var a,b=Sk.builtin.biginteger.nbi();for(a=0;a<this.t;++a)b[a]=this.DM&~this[a];b.t=this.t;b.s=~this.s;return b};Sk.builtin.biginteger.prototype.bnShiftLeft=function(a){var b=Sk.builtin.biginteger.nbi();0>a?this.rShiftTo(-a,b):this.lShiftTo(a,b);return b};Sk.builtin.biginteger.prototype.bnShiftRight=function(a){var b=Sk.builtin.biginteger.nbi();0>a?this.lShiftTo(-a,b):this.rShiftTo(a,b);return b};
+Sk.builtin.biginteger.lbit=function(a){var b;if(0===a)return-1;b=0;0===(a&65535)&&(a>>=16,b+=16);0===(a&255)&&(a>>=8,b+=8);0===(a&15)&&(a>>=4,b+=4);0===(a&3)&&(a>>=2,b+=2);0===(a&1)&&++b;return b};Sk.builtin.biginteger.prototype.bnGetLowestSetBit=function(){var a;for(a=0;a<this.t;++a)if(0!==this[a])return a*this.DB+Sk.builtin.biginteger.lbit(this[a]);return 0>this.s?this.t*this.DB:-1};Sk.builtin.biginteger.cbit=function(a){for(var b=0;0!==a;)a&=a-1,++b;return b};
+Sk.builtin.biginteger.prototype.bnBitCount=function(){var a,b=0,c=this.s&this.DM;for(a=0;a<this.t;++a)b+=Sk.builtin.biginteger.cbit(this[a]^c);return b};Sk.builtin.biginteger.prototype.bnTestBit=function(a){var b=Math.floor(a/this.DB);return b>=this.t?0!==this.s:0!==(this[b]&1<<a%this.DB)};Sk.builtin.biginteger.prototype.bnpChangeBit=function(a,b){var c=Sk.builtin.biginteger.ONE.shiftLeft(a);this.bitwiseTo(c,b,c);return c};
+Sk.builtin.biginteger.prototype.bnSetBit=function(a){return this.changeBit(a,Sk.builtin.biginteger.op_or)};Sk.builtin.biginteger.prototype.bnClearBit=function(a){return this.changeBit(a,Sk.builtin.biginteger.op_andnot)};Sk.builtin.biginteger.prototype.bnFlipBit=function(a){return this.changeBit(a,Sk.builtin.biginteger.op_xor)};
+Sk.builtin.biginteger.prototype.bnpAddTo=function(a,b){for(var c=0,d=0,e=Math.min(a.t,this.t);c<e;)d+=this[c]+a[c],b[c++]=d&this.DM,d>>=this.DB;if(a.t<this.t){for(d+=a.s;c<this.t;)d+=this[c],b[c++]=d&this.DM,d>>=this.DB;d+=this.s}else{for(d+=this.s;c<a.t;)d+=a[c],b[c++]=d&this.DM,d>>=this.DB;d+=a.s}b.s=0>d?-1:0;0<d?b[c++]=d:-1>d&&(b[c++]=this.DV+d);b.t=c;b.clamp()};Sk.builtin.biginteger.prototype.bnAdd=function(a){var b=Sk.builtin.biginteger.nbi();this.addTo(a,b);return b};
+Sk.builtin.biginteger.prototype.bnSubtract=function(a){var b=Sk.builtin.biginteger.nbi();this.subTo(a,b);return b};Sk.builtin.biginteger.prototype.bnMultiply=function(a){var b=Sk.builtin.biginteger.nbi();this.multiplyTo(a,b);return b};Sk.builtin.biginteger.prototype.bnDivide=function(a){var b=Sk.builtin.biginteger.nbi();this.divRemTo(a,b,null);return b};Sk.builtin.biginteger.prototype.bnRemainder=function(a){var b=Sk.builtin.biginteger.nbi();this.divRemTo(a,null,b);return b};
+Sk.builtin.biginteger.prototype.bnDivideAndRemainder=function(a){var b=Sk.builtin.biginteger.nbi(),c=Sk.builtin.biginteger.nbi();this.divRemTo(a,b,c);return[b,c]};Sk.builtin.biginteger.prototype.bnpDMultiply=function(a){this[this.t]=this.am(0,a-1,this,0,0,this.t);++this.t;this.clamp()};Sk.builtin.biginteger.prototype.bnpDAddOffset=function(a,b){if(0!==a){for(;this.t<=b;)this[this.t++]=0;for(this[b]+=a;this[b]>=this.DV;)this[b]-=this.DV,++b>=this.t&&(this[this.t++]=0),++this[b]}};
+Sk.builtin.biginteger.NullExp=function(){};Sk.builtin.biginteger.prototype.nNop=function(a){return a};Sk.builtin.biginteger.prototype.nMulTo=function(a,b,c){a.multiplyTo(b,c)};Sk.builtin.biginteger.prototype.nSqrTo=function(a,b){a.squareTo(b)};Sk.builtin.biginteger.NullExp.prototype.convert=Sk.builtin.biginteger.prototype.nNop;Sk.builtin.biginteger.NullExp.prototype.revert=Sk.builtin.biginteger.prototype.nNop;Sk.builtin.biginteger.NullExp.prototype.mulTo=Sk.builtin.biginteger.prototype.nMulTo;
+Sk.builtin.biginteger.NullExp.prototype.sqrTo=Sk.builtin.biginteger.prototype.nSqrTo;Sk.builtin.biginteger.prototype.bnPow=function(a){return this.exp(a,new Sk.builtin.biginteger.NullExp)};Sk.builtin.biginteger.prototype.bnpMultiplyLowerTo=function(a,b,c){var d,e=Math.min(this.t+a.t,b);c.s=0;for(c.t=e;0<e;)c[--e]=0;for(d=c.t-this.t;e<d;++e)c[e+this.t]=this.am(0,a[e],c,e,0,this.t);for(d=Math.min(a.t,b);e<d;++e)this.am(0,a[e],c,e,0,b-e);c.clamp()};
+Sk.builtin.biginteger.prototype.bnpMultiplyUpperTo=function(a,b,c){var d;--b;d=c.t=this.t+a.t-b;for(c.s=0;0<=--d;)c[d]=0;for(d=Math.max(b-this.t,0);d<a.t;++d)c[this.t+d-b]=this.am(b-d,a[d],c,0,0,this.t+d-b);c.clamp();c.drShiftTo(1,c)};Sk.builtin.biginteger.Barrett=function(a){this.r2=Sk.builtin.biginteger.nbi();this.q3=Sk.builtin.biginteger.nbi();Sk.builtin.biginteger.ONE.dlShiftTo(2*a.t,this.r2);this.mu=this.r2.divide(a);this.m=a};
+Sk.builtin.biginteger.prototype.barrettConvert=function(a){var b;if(0>a.s||a.t>2*this.m.t)return a.mod(this.m);if(0>a.compareTo(this.m))return a;b=Sk.builtin.biginteger.nbi();a.copyTo(b);this.reduce(b);return b};Sk.builtin.biginteger.prototype.barrettRevert=function(a){return a};
+Sk.builtin.biginteger.prototype.barrettReduce=function(a){a.drShiftTo(this.m.t-1,this.r2);a.t>this.m.t+1&&(a.t=this.m.t+1,a.clamp());this.mu.multiplyUpperTo(this.r2,this.m.t+1,this.q3);for(this.m.multiplyLowerTo(this.q3,this.m.t+1,this.r2);0>a.compareTo(this.r2);)a.dAddOffset(1,this.m.t+1);for(a.subTo(this.r2,a);0<=a.compareTo(this.m);)a.subTo(this.m,a)};Sk.builtin.biginteger.prototype.barrettSqrTo=function(a,b){a.squareTo(b);this.reduce(b)};
+Sk.builtin.biginteger.prototype.barrettMulTo=function(a,b,c){a.multiplyTo(b,c);this.reduce(c)};Sk.builtin.biginteger.Barrett.prototype.convert=Sk.builtin.biginteger.prototype.barrettConvert;Sk.builtin.biginteger.Barrett.prototype.revert=Sk.builtin.biginteger.prototype.barrettRevert;Sk.builtin.biginteger.Barrett.prototype.reduce=Sk.builtin.biginteger.prototype.barrettReduce;Sk.builtin.biginteger.Barrett.prototype.mulTo=Sk.builtin.biginteger.prototype.barrettMulTo;
+Sk.builtin.biginteger.Barrett.prototype.sqrTo=Sk.builtin.biginteger.prototype.barrettSqrTo;
+Sk.builtin.biginteger.prototype.bnModPow=function(a,b){var c,d,e,f,g,h,k,l,m=a.bitLength(),p,n=Sk.builtin.biginteger.nbv(1),r;if(0>=m)return n;p=18>m?1:48>m?3:144>m?4:768>m?5:6;r=8>m?new Sk.builtin.biginteger.Classic(b):b.isEven()?new Sk.builtin.biginteger.Barrett(b):new Sk.builtin.biginteger.Montgomery(b);h=[];g=3;k=p-1;l=(1<<p)-1;h[1]=r.convert(this);if(1<p)for(c=Sk.builtin.biginteger.nbi(),r.sqrTo(h[1],c);g<=l;)h[g]=Sk.builtin.biginteger.nbi(),r.mulTo(c,h[g-2],h[g]),g+=2;c=a.t-1;e=!0;f=Sk.builtin.biginteger.nbi();
+for(m=Sk.builtin.biginteger.nbits(a[c])-1;0<=c;){m>=k?d=a[c]>>m-k&l:(d=(a[c]&(1<<m+1)-1)<<k-m,0<c&&(d|=a[c-1]>>this.DB+m-k));for(g=p;0===(d&1);)d>>=1,--g;0>(m-=g)&&(m+=this.DB,--c);if(e)h[d].copyTo(n),e=!1;else{for(;1<g;)r.sqrTo(n,f),r.sqrTo(f,n),g-=2;0<g?r.sqrTo(n,f):(g=n,n=f,f=g);r.mulTo(f,h[d],n)}for(;0<=c&&0===(a[c]&1<<m);)r.sqrTo(n,f),g=n,n=f,f=g,0>--m&&(m=this.DB-1,--c)}return r.revert(n)};
+Sk.builtin.biginteger.prototype.bnGCD=function(a){var b,c,d=0>this.s?this.negate():this.clone();a=0>a.s?a.negate():a.clone();0>d.compareTo(a)&&(b=d,d=a,a=b);b=d.getLowestSetBit();c=a.getLowestSetBit();if(0>c)return d;b<c&&(c=b);0<c&&(d.rShiftTo(c,d),a.rShiftTo(c,a));for(;0<d.signum();)0<(b=d.getLowestSetBit())&&d.rShiftTo(b,d),0<(b=a.getLowestSetBit())&&a.rShiftTo(b,a),0<=d.compareTo(a)?(d.subTo(a,d),d.rShiftTo(1,d)):(a.subTo(d,a),a.rShiftTo(1,a));0<c&&a.lShiftTo(c,a);return a};
+Sk.builtin.biginteger.prototype.bnpModInt=function(a){var b,c,d;if(0>=a)return 0;c=this.DV%a;d=0>this.s?a-1:0;if(0<this.t)if(0===c)d=this[0]%a;else for(b=this.t-1;0<=b;--b)d=(c*d+this[b])%a;return d};
+Sk.builtin.biginteger.prototype.bnModInverse=function(a){var b,c,d,e,f,g,h=a.isEven();if(this.isEven()&&h||0===a.signum())return Sk.builtin.biginteger.ZERO;f=a.clone();g=this.clone();b=Sk.builtin.biginteger.nbv(1);c=Sk.builtin.biginteger.nbv(0);d=Sk.builtin.biginteger.nbv(0);for(e=Sk.builtin.biginteger.nbv(1);0!==f.signum();){for(;f.isEven();)f.rShiftTo(1,f),h?(b.isEven()&&c.isEven()||(b.addTo(this,b),c.subTo(a,c)),b.rShiftTo(1,b)):c.isEven()||c.subTo(a,c),c.rShiftTo(1,c);for(;g.isEven();)g.rShiftTo(1,
+g),h?(d.isEven()&&e.isEven()||(d.addTo(this,d),e.subTo(a,e)),d.rShiftTo(1,d)):e.isEven()||e.subTo(a,e),e.rShiftTo(1,e);0<=f.compareTo(g)?(f.subTo(g,f),h&&b.subTo(d,b),c.subTo(e,c)):(g.subTo(f,g),h&&d.subTo(b,d),e.subTo(c,e))}if(0!==g.compareTo(Sk.builtin.biginteger.ONE))return Sk.builtin.biginteger.ZERO;if(0<=e.compareTo(a))return e.subtract(a);if(0>e.signum())e.addTo(a,e);else return e;return 0>e.signum()?e.add(a):e};
+Sk.builtin.biginteger.lowprimes=[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509];
+Sk.builtin.biginteger.lplim=67108864/Sk.builtin.biginteger.lowprimes[Sk.builtin.biginteger.lowprimes.length-1];
+Sk.builtin.biginteger.prototype.bnIsProbablePrime=function(a){var b,c,d,e=this.abs();if(1==e.t&&e[0]<=Sk.builtin.biginteger.lowprimes[Sk.builtin.biginteger.lowprimes.length-1]){for(d=0;d<Sk.builtin.biginteger.lowprimes.length;++d)if(e[0]==Sk.builtin.biginteger.lowprimes[d])return!0;return!1}if(e.isEven())return!1;for(d=1;d<Sk.builtin.biginteger.lowprimes.length;){b=Sk.builtin.biginteger.lowprimes[d];for(c=d+1;c<Sk.builtin.biginteger.lowprimes.length&&b<Sk.builtin.biginteger.lplim;)b*=Sk.builtin.biginteger.lowprimes[c++];
+for(b=e.modInt(b);d<c;)if(0===b%Sk.builtin.biginteger.lowprimes[d++])return!1}return e.millerRabin(a)};
+Sk.builtin.biginteger.prototype.bnpMillerRabin=function(a){var b,c,d,e,f,g=this.subtract(Sk.builtin.biginteger.ONE),h=g.getLowestSetBit();if(0>=h)return!1;f=g.shiftRight(h);a=a+1>>1;a>Sk.builtin.biginteger.lowprimes.length&&(a=Sk.builtin.biginteger.lowprimes.length);e=Sk.builtin.biginteger.nbi();for(d=0;d<a;++d)if(e.fromInt(Sk.builtin.biginteger.lowprimes[d]),c=e.modPow(f,this),0!==c.compareTo(Sk.builtin.biginteger.ONE)&&0!==c.compareTo(g)){for(b=1;b++<h&&0!==c.compareTo(g);)if(c=c.modPowInt(2,this),
+0===c.compareTo(Sk.builtin.biginteger.ONE))return!1;if(0!==c.compareTo(g))return!1}return!0};Sk.builtin.biginteger.prototype.isnegative=function(){return 0>this.s};Sk.builtin.biginteger.prototype.ispositive=function(){return 0<=this.s};Sk.builtin.biginteger.prototype.trueCompare=function(a){return 0<=this.s&&0>a.s?1:0>this.s&&0<=a.s?-1:this.compare(a)};Sk.builtin.biginteger.prototype.chunkSize=Sk.builtin.biginteger.prototype.bnpChunkSize;Sk.builtin.biginteger.prototype.toRadix=Sk.builtin.biginteger.prototype.bnpToRadix;
+Sk.builtin.biginteger.prototype.fromRadix=Sk.builtin.biginteger.prototype.bnpFromRadix;Sk.builtin.biginteger.prototype.fromNumber=Sk.builtin.biginteger.prototype.bnpFromNumber;Sk.builtin.biginteger.prototype.bitwiseTo=Sk.builtin.biginteger.prototype.bnpBitwiseTo;Sk.builtin.biginteger.prototype.changeBit=Sk.builtin.biginteger.prototype.bnpChangeBit;Sk.builtin.biginteger.prototype.addTo=Sk.builtin.biginteger.prototype.bnpAddTo;Sk.builtin.biginteger.prototype.dMultiply=Sk.builtin.biginteger.prototype.bnpDMultiply;
+Sk.builtin.biginteger.prototype.dAddOffset=Sk.builtin.biginteger.prototype.bnpDAddOffset;Sk.builtin.biginteger.prototype.multiplyLowerTo=Sk.builtin.biginteger.prototype.bnpMultiplyLowerTo;Sk.builtin.biginteger.prototype.multiplyUpperTo=Sk.builtin.biginteger.prototype.bnpMultiplyUpperTo;Sk.builtin.biginteger.prototype.modInt=Sk.builtin.biginteger.prototype.bnpModInt;Sk.builtin.biginteger.prototype.millerRabin=Sk.builtin.biginteger.prototype.bnpMillerRabin;Sk.builtin.biginteger.prototype.clone=Sk.builtin.biginteger.prototype.bnClone;
+Sk.builtin.biginteger.prototype.intValue=Sk.builtin.biginteger.prototype.bnIntValue;Sk.builtin.biginteger.prototype.byteValue=Sk.builtin.biginteger.prototype.bnByteValue;Sk.builtin.biginteger.prototype.shortValue=Sk.builtin.biginteger.prototype.bnShortValue;Sk.builtin.biginteger.prototype.signum=Sk.builtin.biginteger.prototype.bnSigNum;Sk.builtin.biginteger.prototype.toByteArray=Sk.builtin.biginteger.prototype.bnToByteArray;Sk.builtin.biginteger.prototype.equals=Sk.builtin.biginteger.prototype.bnEquals;
+Sk.builtin.biginteger.prototype.compare=Sk.builtin.biginteger.prototype.compareTo;Sk.builtin.biginteger.prototype.min=Sk.builtin.biginteger.prototype.bnMin;Sk.builtin.biginteger.prototype.max=Sk.builtin.biginteger.prototype.bnMax;Sk.builtin.biginteger.prototype.and=Sk.builtin.biginteger.prototype.bnAnd;Sk.builtin.biginteger.prototype.or=Sk.builtin.biginteger.prototype.bnOr;Sk.builtin.biginteger.prototype.xor=Sk.builtin.biginteger.prototype.bnXor;Sk.builtin.biginteger.prototype.andNot=Sk.builtin.biginteger.prototype.bnAndNot;
+Sk.builtin.biginteger.prototype.not=Sk.builtin.biginteger.prototype.bnNot;Sk.builtin.biginteger.prototype.shiftLeft=Sk.builtin.biginteger.prototype.bnShiftLeft;Sk.builtin.biginteger.prototype.shiftRight=Sk.builtin.biginteger.prototype.bnShiftRight;Sk.builtin.biginteger.prototype.getLowestSetBit=Sk.builtin.biginteger.prototype.bnGetLowestSetBit;Sk.builtin.biginteger.prototype.bitCount=Sk.builtin.biginteger.prototype.bnBitCount;Sk.builtin.biginteger.prototype.testBit=Sk.builtin.biginteger.prototype.bnTestBit;
+Sk.builtin.biginteger.prototype.setBit=Sk.builtin.biginteger.prototype.bnSetBit;Sk.builtin.biginteger.prototype.clearBit=Sk.builtin.biginteger.prototype.bnClearBit;Sk.builtin.biginteger.prototype.flipBit=Sk.builtin.biginteger.prototype.bnFlipBit;Sk.builtin.biginteger.prototype.add=Sk.builtin.biginteger.prototype.bnAdd;Sk.builtin.biginteger.prototype.subtract=Sk.builtin.biginteger.prototype.bnSubtract;Sk.builtin.biginteger.prototype.multiply=Sk.builtin.biginteger.prototype.bnMultiply;
+Sk.builtin.biginteger.prototype.divide=Sk.builtin.biginteger.prototype.bnDivide;Sk.builtin.biginteger.prototype.remainder=Sk.builtin.biginteger.prototype.bnRemainder;Sk.builtin.biginteger.prototype.divideAndRemainder=Sk.builtin.biginteger.prototype.bnDivideAndRemainder;Sk.builtin.biginteger.prototype.modPow=Sk.builtin.biginteger.prototype.bnModPow;Sk.builtin.biginteger.prototype.modInverse=Sk.builtin.biginteger.prototype.bnModInverse;Sk.builtin.biginteger.prototype.pow=Sk.builtin.biginteger.prototype.bnPow;
+Sk.builtin.biginteger.prototype.gcd=Sk.builtin.biginteger.prototype.bnGCD;Sk.builtin.biginteger.prototype.isProbablePrime=Sk.builtin.biginteger.prototype.bnIsProbablePrime;Sk.builtin.int_=function(a,b){var c,d;if(!(this instanceof Sk.builtin.int_))return new Sk.builtin.int_(a,b);if(this instanceof Sk.builtin.bool)return this;if(a instanceof Sk.builtin.int_&&void 0===b)return this.v=a.v,this;if(void 0!==b&&!Sk.builtin.checkInt(b)){if(Sk.builtin.checkFloat(b))throw new Sk.builtin.TypeError("integer argument expected, got "+Sk.abstr.typeName(b));if(b.__index__)b=Sk.misceval.callsim(b.__index__,b);else if(b.__int__)b=Sk.misceval.callsim(b.__int__,b);else throw new Sk.builtin.AttributeError(Sk.abstr.typeName(b)+
+" instance has no attribute '__index__' or '__int__'");}if(a instanceof Sk.builtin.str){b=Sk.builtin.asnum$(b);c=Sk.str2number(a.v,b,parseInt,function(a){return-a},"int");if(c>Sk.builtin.int_.threshold$||c<-Sk.builtin.int_.threshold$)return new Sk.builtin.lng(a,b);this.v=c;return this}if(void 0!==b)throw new Sk.builtin.TypeError("int() can't convert non-string with explicit base");if(void 0===a||a===Sk.builtin.none)a=0;void 0!==a&&a.tp$getattr&&a.tp$getattr("__int__")?(c=Sk.misceval.callsim(a.tp$getattr("__int__")),
+d="__int__"):void 0!==a&&a.__int__?(c=Sk.misceval.callsim(a.__int__,a),d="__int__"):void 0!==a&&a.tp$getattr&&a.tp$getattr("__trunc__")?(c=Sk.misceval.callsim(a.tp$getattr("__trunc__")),d="__trunc__"):void 0!==a&&a.__trunc__&&(c=Sk.misceval.callsim(a.__trunc__,a),d="__trunc__");if(void 0===c||Sk.builtin.checkInt(c))void 0!==c&&(a=c);else throw new Sk.builtin.TypeError(d+" returned non-Integral (type "+Sk.abstr.typeName(c)+")");if(!Sk.builtin.checkNumber(a))throw new Sk.builtin.TypeError("int() argument must be a string or a number, not '"+
+Sk.abstr.typeName(a)+"'");a=Sk.builtin.asnum$(a);if(a>Sk.builtin.int_.threshold$||a<-Sk.builtin.int_.threshold$)return new Sk.builtin.lng(a);-1<a&&1>a&&(a=0);this.v=parseInt(a,b);return this};Sk.abstr.setUpInheritance("int",Sk.builtin.int_,Sk.builtin.numtype);Sk.builtin.int_.prototype.nb$int_=function(){return this};Sk.builtin.int_.prototype.nb$float_=function(){return new Sk.builtin.float_(this.v)};Sk.builtin.int_.prototype.nb$lng=function(){return new Sk.builtin.lng(this.v)};
+Sk.builtin.int_.prototype.__trunc__=new Sk.builtin.func(function(a){return a});Sk.builtin.int_.prototype.__index__=new Sk.builtin.func(function(a){return a});Sk.builtin.int_.prototype.__complex__=new Sk.builtin.func(function(a){return Sk.builtin.NotImplemented.NotImplemented$});Sk.builtin.int_.prototype.tp$index=function(){return this.v};Sk.builtin.int_.prototype.tp$hash=function(){return new Sk.builtin.int_(this.v)};Sk.builtin.int_.threshold$=Math.pow(2,53)-1;Sk.builtin.int_.prototype.clone=function(){return new Sk.builtin.int_(this.v)};
+Sk.builtin.int_.prototype.nb$add=function(a){var b;return a instanceof Sk.builtin.int_?new Sk.builtin.int_(this.v+a.v):a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$add(a)):a instanceof Sk.builtin.float_?(b=new Sk.builtin.float_(this.v),b.nb$add(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.nb$reflected_add=function(a){return Sk.builtin.int_.prototype.nb$add.call(this,a)};
+Sk.builtin.int_.prototype.nb$subtract=function(a){var b;return a instanceof Sk.builtin.int_?new Sk.builtin.int_(this.v-a.v):a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$subtract(a)):a instanceof Sk.builtin.float_?(b=new Sk.builtin.float_(this.v),b.nb$subtract(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.nb$reflected_subtract=function(a){var b=this.nb$negative();return Sk.builtin.int_.prototype.nb$add.call(b,a)};
+Sk.builtin.int_.prototype.nb$multiply=function(a){var b;return a instanceof Sk.builtin.int_?(b=this.v*a.v,b>Sk.builtin.int_.threshold$||b<-Sk.builtin.int_.threshold$?(b=new Sk.builtin.lng(this.v),b.nb$multiply(a)):new Sk.builtin.int_(b)):a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$multiply(a)):a instanceof Sk.builtin.float_?(b=new Sk.builtin.float_(this.v),b.nb$multiply(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$reflected_multiply=function(a){return Sk.builtin.int_.prototype.nb$multiply.call(this,a)};Sk.builtin.int_.prototype.nb$divide=function(a){var b;return Sk.python3?(b=new Sk.builtin.float_(this.v),b.nb$divide(a)):a instanceof Sk.builtin.int_?this.nb$floor_divide(a):a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$divide(a)):a instanceof Sk.builtin.float_?(b=new Sk.builtin.float_(this.v),b.nb$divide(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$reflected_divide=function(a){return this.nb$reflected_floor_divide(a)};
+Sk.builtin.int_.prototype.nb$floor_divide=function(a){var b;if(a instanceof Sk.builtin.int_){if(0===a.v)throw new Sk.builtin.ZeroDivisionError("integer division or modulo by zero");return new Sk.builtin.int_(Math.floor(this.v/a.v))}return a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$floor_divide(a)):a instanceof Sk.builtin.float_?(b=new Sk.builtin.float_(this.v),b.nb$floor_divide(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$reflected_floor_divide=function(a){return a instanceof Sk.builtin.int_?a.nb$divide(this):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$remainder=function(a){var b;return a instanceof Sk.builtin.int_?(b=Sk.abstr.numberBinOp(this,a,"FloorDiv"),b=Sk.abstr.numberBinOp(b,a,"Mult"),b=Sk.abstr.numberBinOp(this,b,"Sub"),b=b.v,0>a.v&&0===b?b=-0:0===b&&-Infinity===Infinity/b&&(b=0),new Sk.builtin.int_(b)):a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$remainder(a)):a instanceof Sk.builtin.float_?(b=new Sk.builtin.float_(this.v),b.nb$remainder(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$reflected_remainder=function(a){return a instanceof Sk.builtin.int_?a.nb$remainder(this):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.nb$divmod=function(a){var b;return a instanceof Sk.builtin.int_?new Sk.builtin.tuple([this.nb$floor_divide(a),this.nb$remainder(a)]):a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$divmod(a)):a instanceof Sk.builtin.float_?(b=new Sk.builtin.float_(this.v),b.nb$divmod(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$reflected_divmod=function(a){return a instanceof Sk.builtin.int_?new Sk.builtin.tuple([a.nb$floor_divide(this),a.nb$remainder(this)]):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$power=function(a,b){var c;if(a instanceof Sk.builtin.int_&&(void 0===b||b instanceof Sk.builtin.int_)){c=Math.pow(this.v,a.v);c>Sk.builtin.int_.threshold$||c<-Sk.builtin.int_.threshold$?(c=new Sk.builtin.lng(this.v),c=c.nb$power(a,b)):c=0>a.v?new Sk.builtin.float_(c):new Sk.builtin.int_(c);if(void 0!==b){if(0>a.v)throw new Sk.builtin.TypeError("pow() 2nd argument cannot be negative when 3rd argument specified");return c.nb$remainder(b)}return c}return a instanceof Sk.builtin.lng?
+(c=new Sk.builtin.lng(this.v),c.nb$power(a)):a instanceof Sk.builtin.float_?(c=new Sk.builtin.float_(this.v),c.nb$power(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.nb$reflected_power=function(a,b){return a instanceof Sk.builtin.int_?a.nb$power(this,b):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.nb$abs=function(){return new Sk.builtin.int_(Math.abs(this.v))};
+Sk.builtin.int_.prototype.nb$and=function(a){var b;return a instanceof Sk.builtin.int_&&(a=Sk.builtin.asnum$(a),b=this.v&a,void 0!==b&&0>b&&(b+=4294967296),void 0!==b)?new Sk.builtin.int_(b):a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$and(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.nb$reflected_and=Sk.builtin.int_.prototype.nb$and;
+Sk.builtin.int_.prototype.nb$or=function(a){var b;return a instanceof Sk.builtin.int_&&(a=Sk.builtin.asnum$(a),b=this.v|a,void 0!==b&&0>b&&(b+=4294967296),void 0!==b)?new Sk.builtin.int_(b):a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$and(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.nb$reflected_or=Sk.builtin.int_.prototype.nb$or;
+Sk.builtin.int_.prototype.nb$xor=function(a){var b;return a instanceof Sk.builtin.int_&&(a=Sk.builtin.asnum$(a),b=this.v^a,void 0!==b&&0>b&&(b+=4294967296),void 0!==b)?new Sk.builtin.int_(b):a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$xor(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.nb$reflected_xor=Sk.builtin.int_.prototype.nb$xor;
+Sk.builtin.int_.prototype.nb$lshift=function(a){var b;if(a instanceof Sk.builtin.int_){var c=Sk.builtin.asnum$(a);if(void 0!==c){if(0>c)throw new Sk.builtin.ValueError("negative shift count");b=this.v<<c;if(b<=this.v)return(new Sk.builtin.lng(this.v)).nb$lshift(a)}if(void 0!==b)return new Sk.builtin.int_(b)}return a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$lshift(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$reflected_lshift=function(a){return a instanceof Sk.builtin.int_?a.nb$lshift(this):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$rshift=function(a){var b;if(a instanceof Sk.builtin.int_){var c=Sk.builtin.asnum$(a);if(void 0!==c){if(0>c)throw new Sk.builtin.ValueError("negative shift count");b=this.v>>c;0<this.v&&0>b&&(b&=Math.pow(2,32-c)-1)}if(void 0!==b)return new Sk.builtin.int_(b)}return a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.v),b.nb$rshift(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.nb$reflected_rshift=function(a){return a instanceof Sk.builtin.int_?a.nb$rshift(this):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.nb$invert=function(){return new Sk.builtin.int_(~this.v)};Sk.builtin.int_.prototype.nb$inplace_add=Sk.builtin.int_.prototype.nb$add;Sk.builtin.int_.prototype.nb$inplace_subtract=Sk.builtin.int_.prototype.nb$subtract;Sk.builtin.int_.prototype.nb$inplace_multiply=Sk.builtin.int_.prototype.nb$multiply;
+Sk.builtin.int_.prototype.nb$inplace_divide=Sk.builtin.int_.prototype.nb$divide;Sk.builtin.int_.prototype.nb$inplace_remainder=Sk.builtin.int_.prototype.nb$remainder;Sk.builtin.int_.prototype.nb$inplace_floor_divide=Sk.builtin.int_.prototype.nb$floor_divide;Sk.builtin.int_.prototype.nb$inplace_power=Sk.builtin.int_.prototype.nb$power;Sk.builtin.int_.prototype.nb$inplace_and=Sk.builtin.int_.prototype.nb$and;Sk.builtin.int_.prototype.nb$inplace_or=Sk.builtin.int_.prototype.nb$or;
+Sk.builtin.int_.prototype.nb$inplace_xor=Sk.builtin.int_.prototype.nb$xor;Sk.builtin.int_.prototype.nb$inplace_lshift=Sk.builtin.int_.prototype.nb$lshift;Sk.builtin.int_.prototype.nb$inplace_rshift=Sk.builtin.int_.prototype.nb$rshift;Sk.builtin.int_.prototype.nb$negative=function(){return new Sk.builtin.int_(-this.v)};Sk.builtin.int_.prototype.nb$positive=function(){return this.clone()};Sk.builtin.int_.prototype.nb$nonzero=function(){return 0!==this.v};
+Sk.builtin.int_.prototype.nb$isnegative=function(){return 0>this.v};Sk.builtin.int_.prototype.nb$ispositive=function(){return 0<=this.v};Sk.builtin.int_.prototype.numberCompare=function(a){return a instanceof Sk.builtin.int_?this.v-a.v:a instanceof Sk.builtin.lng?-a.longCompare(this):a instanceof Sk.builtin.float_?-a.numberCompare(this):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.ob$eq=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0==this.numberCompare(a)):a instanceof Sk.builtin.none?Sk.builtin.bool.false$:Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.ob$ne=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0!=this.numberCompare(a)):a instanceof Sk.builtin.none?Sk.builtin.bool.true$:Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.ob$lt=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0>this.numberCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.ob$le=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0>=this.numberCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.int_.prototype.ob$gt=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0<this.numberCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.ob$ge=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0<=this.numberCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.int_.prototype.__round__=function(a,b){Sk.builtin.pyCheckArgs("__round__",arguments,1,2);var c,d;if(void 0!==b&&!Sk.misceval.isIndex(b))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(b)+"' object cannot be interpreted as an index");void 0===b&&(b=0);d=Sk.builtin.asnum$(a);b=Sk.misceval.asIndex(b);c=Math.pow(10,b);c=Math.round(d*c)/c;return new Sk.builtin.int_(c)};Sk.builtin.int_.prototype.conjugate=new Sk.builtin.func(function(a){return new Sk.builtin.int_(a.v)});
+Sk.builtin.int_.prototype.$r=function(){return new Sk.builtin.str(this.str$(10,!0))};Sk.builtin.int_.prototype.tp$str=function(){return new Sk.builtin.str(this.str$(10,!0))};Sk.builtin.int_.prototype.str$=function(a,b){var c;void 0===b&&(b=!0);c=b?this.v:Math.abs(this.v);return void 0===a||10===a?c.toString():c.toString(a)};
+Sk.str2number=function(a,b,c,d,e){var f=a,g=!1,h,k,l;a=a.replace(/^\s+|\s+$/g,"");"-"===a.charAt(0)&&(g=!0,a=a.substring(1));"+"===a.charAt(0)&&(a=a.substring(1));void 0===b&&(b=10);if((2>b||36<b)&&0!==b)throw new Sk.builtin.ValueError(e+"() base must be >= 2 and <= 36");if("0x"===a.substring(0,2).toLowerCase())if(16===b||0===b)a=a.substring(2),b=16;else{if(34>b)throw new Sk.builtin.ValueError("invalid literal for "+e+"() with base "+b+": '"+f+"'");}else if("0b"===a.substring(0,2).toLowerCase())if(2===
+b||0===b)a=a.substring(2),b=2;else{if(12>b)throw new Sk.builtin.ValueError("invalid literal for "+e+"() with base "+b+": '"+f+"'");}else if("0o"===a.substring(0,2).toLowerCase())if(8===b||0===b)a=a.substring(2),b=8;else{if(25>b)throw new Sk.builtin.ValueError("invalid literal for "+e+"() with base "+b+": '"+f+"'");}else if("0"===a.charAt(0)){if("0"===a)return 0;if(8===b||0===b)b=8}0===b&&(b=10);if(0===a.length)throw new Sk.builtin.ValueError("invalid literal for "+e+"() with base "+b+": '"+f+"'");
+for(h=0;h<a.length;h+=1)if(k=a.charCodeAt(h),l=b,48<=k&&57>=k?l=k-48:65<=k&&90>=k?l=k-65+10:97<=k&&122>=k&&(l=k-97+10),l>=b)throw new Sk.builtin.ValueError("invalid literal for "+e+"() with base "+b+": '"+f+"'");l=c(a,b);g&&(l=d(l));return l};goog.exportSymbol("Sk.builtin.int_",Sk.builtin.int_);Sk.builtin.bool=function(a){Sk.builtin.pyCheckArgs("bool",arguments,1);return Sk.misceval.isTrue(a)?Sk.builtin.bool.true$:Sk.builtin.bool.false$};Sk.abstr.setUpInheritance("bool",Sk.builtin.bool,Sk.builtin.int_);Sk.builtin.bool.prototype.$r=function(){return this.v?new Sk.builtin.str("True"):new Sk.builtin.str("False")};Sk.builtin.bool.prototype.tp$hash=function(){return new Sk.builtin.int_(this.v)};Sk.builtin.bool.prototype.__int__=new Sk.builtin.func(function(a){a=Sk.builtin.asnum$(a);return new Sk.builtin.int_(a)});
+Sk.builtin.bool.prototype.__float__=new Sk.builtin.func(function(a){return new Sk.builtin.float_(Sk.ffi.remapToJs(a))});goog.exportSymbol("Sk.builtin.bool",Sk.builtin.bool);Sk.builtin.float_=function(a){if(void 0===a)return new Sk.builtin.float_(0);if(!(this instanceof Sk.builtin.float_))return new Sk.builtin.float_(a);if(a instanceof Sk.builtin.str){if(a.v.match(/^-inf$/i))a=-Infinity;else if(a.v.match(/^[+]?inf$/i))a=Infinity;else if(a.v.match(/^[-+]?nan$/i))a=NaN;else{if(isNaN(a.v))throw new Sk.builtin.ValueError("float: Argument: "+a.v+" is not number");a=parseFloat(a.v)}return new Sk.builtin.float_(a)}if("number"===typeof a||a instanceof Sk.builtin.int_||a instanceof
+Sk.builtin.lng||a instanceof Sk.builtin.float_)return this.v=Sk.builtin.asnum$(a),this;if(a instanceof Sk.builtin.bool)return this.v=Sk.builtin.asnum$(a),this;if("boolean"===typeof a)return this.v=a?1:0,this;if("string"===typeof a)return this.v=parseFloat(a),this;var b=Sk.abstr.lookupSpecial(a,"__float__");if(null!=b)return Sk.misceval.callsim(b,a);throw new Sk.builtin.TypeError("float() argument must be a string or a number");};Sk.abstr.setUpInheritance("float",Sk.builtin.float_,Sk.builtin.numtype);
+Sk.builtin.float_.prototype.nb$int_=function(){var a=this.v,a=0>a?Math.ceil(a):Math.floor(a);return new Sk.builtin.int_(a)};Sk.builtin.float_.prototype.nb$float_=function(){return this};Sk.builtin.float_.prototype.nb$lng=function(){return new Sk.builtin.lng(this.v)};Sk.builtin.float_.PyFloat_Check=function(a){return void 0===a?!1:Sk.builtin.checkNumber(a)||Sk.builtin.checkFloat(a)||Sk.builtin.issubclass(a.ob$type,Sk.builtin.float_)?!0:!1};Sk.builtin.float_.PyFloat_Check_Exact=function(a){return Sk.builtin.checkFloat(a)};
+Sk.builtin.float_.PyFloat_AsDouble=function(a){var b;if(a&&Sk.builtin.float_.PyFloat_Check(a))return Sk.ffi.remapToJs(a);if(null==a)throw Error("bad argument for internal PyFloat_AsDouble function");b=Sk.builtin.type.typeLookup(a.ob$type,"__float__");if(null==b)throw new Sk.builtin.TypeError("a float is required");a=Sk.misceval.callsim(b,a);if(!Sk.builtin.float_.PyFloat_Check(a))throw new Sk.builtin.TypeError("nb_float should return float object");return Sk.ffi.remapToJs(a)};
+Sk.builtin.float_.prototype.tp$index=function(){return this.v};Sk.builtin.float_.prototype.tp$hash=function(){return this.nb$int_()};Sk.builtin.float_.prototype.clone=function(){return new Sk.builtin.float_(this.v)};Sk.builtin.float_.prototype.toFixed=function(a){a=Sk.builtin.asnum$(a);return this.v.toFixed(a)};
+Sk.builtin.float_.prototype.nb$add=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_?new Sk.builtin.float_(this.v+a.v):a instanceof Sk.builtin.lng?new Sk.builtin.float_(this.v+parseFloat(a.str$(10,!0))):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.float_.prototype.nb$reflected_add=function(a){return Sk.builtin.float_.prototype.nb$add.call(this,a)};
+Sk.builtin.float_.prototype.nb$subtract=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_?new Sk.builtin.float_(this.v-a.v):a instanceof Sk.builtin.lng?new Sk.builtin.float_(this.v-parseFloat(a.str$(10,!0))):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.float_.prototype.nb$reflected_subtract=function(a){var b=this.nb$negative();return Sk.builtin.float_.prototype.nb$add.call(b,a)};
+Sk.builtin.float_.prototype.nb$multiply=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_?new Sk.builtin.float_(this.v*a.v):a instanceof Sk.builtin.lng?new Sk.builtin.float_(this.v*parseFloat(a.str$(10,!0))):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.float_.prototype.nb$reflected_multiply=function(a){return Sk.builtin.float_.prototype.nb$multiply.call(this,a)};
+Sk.builtin.float_.prototype.nb$divide=function(a){if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_){if(0===a.v)throw new Sk.builtin.ZeroDivisionError("integer division or modulo by zero");return Infinity===this.v?Infinity===a.v||-Infinity===a.v?new Sk.builtin.float_(NaN):a.nb$isnegative()?new Sk.builtin.float_(-Infinity):new Sk.builtin.float_(Infinity):-Infinity===this.v?Infinity===a.v||-Infinity===a.v?new Sk.builtin.float_(NaN):a.nb$isnegative()?new Sk.builtin.float_(Infinity):new Sk.builtin.float_(-Infinity):
+new Sk.builtin.float_(this.v/a.v)}if(a instanceof Sk.builtin.lng){if(0===a.longCompare(Sk.builtin.biginteger.ZERO))throw new Sk.builtin.ZeroDivisionError("integer division or modulo by zero");return Infinity===this.v?a.nb$isnegative()?new Sk.builtin.float_(-Infinity):new Sk.builtin.float_(Infinity):-Infinity===this.v?a.nb$isnegative()?new Sk.builtin.float_(Infinity):new Sk.builtin.float_(-Infinity):new Sk.builtin.float_(this.v/parseFloat(a.str$(10,!0)))}return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.nb$reflected_divide=function(a){if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng)a=new Sk.builtin.float_(a);return a instanceof Sk.builtin.float_?a.nb$divide(this):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.nb$floor_divide=function(a){if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_){if(Infinity===this.v||-Infinity===this.v)return new Sk.builtin.float_(NaN);if(0===a.v)throw new Sk.builtin.ZeroDivisionError("integer division or modulo by zero");return Infinity===a.v?this.nb$isnegative()?new Sk.builtin.float_(-1):new Sk.builtin.float_(0):-Infinity===a.v?this.nb$isnegative()||!this.nb$nonzero()?new Sk.builtin.float_(0):new Sk.builtin.float_(-1):new Sk.builtin.float_(Math.floor(this.v/
+a.v))}if(a instanceof Sk.builtin.lng){if(0===a.longCompare(Sk.builtin.biginteger.ZERO))throw new Sk.builtin.ZeroDivisionError("integer division or modulo by zero");return Infinity===this.v||-Infinity===this.v?new Sk.builtin.float_(NaN):new Sk.builtin.float_(Math.floor(this.v/parseFloat(a.str$(10,!0))))}return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.nb$reflected_floor_divide=function(a){if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng)a=new Sk.builtin.float_(a);return a instanceof Sk.builtin.float_?a.nb$floor_divide(this):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.nb$remainder=function(a){var b,c;if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_){if(0===a.v)throw new Sk.builtin.ZeroDivisionError("integer division or modulo by zero");if(0===this.v)return new Sk.builtin.float_(0);if(Infinity===a.v)return Infinity===this.v||-Infinity===this.v?new Sk.builtin.float_(NaN):this.nb$ispositive()?new Sk.builtin.float_(this.v):new Sk.builtin.float_(Infinity);c=this.v%a.v;0>this.v?0<a.v&&0>c&&(c+=a.v):0>a.v&&0!==c&&(c+=a.v);0>
+a.v&&0===c?c=-0:0===c&&-Infinity===Infinity/c&&(c=0);return new Sk.builtin.float_(c)}if(a instanceof Sk.builtin.lng){if(0===a.longCompare(Sk.builtin.biginteger.ZERO))throw new Sk.builtin.ZeroDivisionError("integer division or modulo by zero");if(0===this.v)return new Sk.builtin.float_(0);b=parseFloat(a.str$(10,!0));c=this.v%b;0>c?0<b&&0!==c&&(c+=b):0>b&&0!==c&&(c+=b);a.nb$isnegative()&&0===c?c=-0:0===c&&-Infinity===Infinity/c&&(c=0);return new Sk.builtin.float_(c)}return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.nb$reflected_remainder=function(a){if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng)a=new Sk.builtin.float_(a);return a instanceof Sk.builtin.float_?a.nb$remainder(this):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.float_.prototype.nb$divmod=function(a){if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng)a=new Sk.builtin.float_(a);return a instanceof Sk.builtin.float_?new Sk.builtin.tuple([this.nb$floor_divide(a),this.nb$remainder(a)]):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.nb$reflected_divmod=function(a){if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng)a=new Sk.builtin.float_(a);return a instanceof Sk.builtin.float_?new Sk.builtin.tuple([a.nb$floor_divide(this),a.nb$remainder(this)]):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.nb$power=function(a,b){var c;if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_){if(0>this.v&&0!==a.v%1)throw new Sk.builtin.NegativePowerError("cannot raise a negative number to a fractional power");if(0===this.v&&0>a.v)throw new Sk.builtin.NegativePowerError("cannot raise zero to a negative power");c=new Sk.builtin.float_(Math.pow(this.v,a.v));if(Infinity===Math.abs(c.v)&&Infinity!==Math.abs(this.v)&&Infinity!==Math.abs(a.v))throw new Sk.builtin.OverflowError("Numerical result out of range");
+return c}if(a instanceof Sk.builtin.lng){if(0===this.v&&0>a.longCompare(Sk.builtin.biginteger.ZERO))throw new Sk.builtin.NegativePowerError("cannot raise zero to a negative power");return new Sk.builtin.float_(Math.pow(this.v,parseFloat(a.str$(10,!0))))}return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.nb$reflected_power=function(a,b){if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng)a=new Sk.builtin.float_(a);return a instanceof Sk.builtin.float_?a.nb$power(this,b):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.float_.prototype.nb$abs=function(){return new Sk.builtin.float_(Math.abs(this.v))};Sk.builtin.float_.prototype.nb$inplace_add=Sk.builtin.float_.prototype.nb$add;Sk.builtin.float_.prototype.nb$inplace_subtract=Sk.builtin.float_.prototype.nb$subtract;
+Sk.builtin.float_.prototype.nb$inplace_multiply=Sk.builtin.float_.prototype.nb$multiply;Sk.builtin.float_.prototype.nb$inplace_divide=Sk.builtin.float_.prototype.nb$divide;Sk.builtin.float_.prototype.nb$inplace_remainder=Sk.builtin.float_.prototype.nb$remainder;Sk.builtin.float_.prototype.nb$inplace_floor_divide=Sk.builtin.float_.prototype.nb$floor_divide;Sk.builtin.float_.prototype.nb$inplace_power=Sk.builtin.float_.prototype.nb$power;Sk.builtin.float_.prototype.nb$negative=function(){return new Sk.builtin.float_(-this.v)};
+Sk.builtin.float_.prototype.nb$positive=function(){return this.clone()};Sk.builtin.float_.prototype.nb$nonzero=function(){return 0!==this.v};Sk.builtin.float_.prototype.nb$isnegative=function(){return 0>this.v};Sk.builtin.float_.prototype.nb$ispositive=function(){return 0<=this.v};
+Sk.builtin.float_.prototype.numberCompare=function(a){var b;if(a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_)return Infinity==this.v&&Infinity==a.v||-Infinity==this.v&&-Infinity==a.v?0:this.v-a.v;if(a instanceof Sk.builtin.lng){if(0===this.v%1)return b=new Sk.builtin.lng(this.v),a=b.longCompare(a);a=this.nb$subtract(a);if(a instanceof Sk.builtin.float_)return a.v;if(a instanceof Sk.builtin.lng)return a.longCompare(Sk.builtin.biginteger.ZERO)}return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.ob$eq=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0==this.numberCompare(a)):a instanceof Sk.builtin.none?Sk.builtin.bool.false$:Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.ob$ne=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0!=this.numberCompare(a)):a instanceof Sk.builtin.none?Sk.builtin.bool.true$:Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.float_.prototype.ob$lt=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0>this.numberCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.ob$le=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0>=this.numberCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.float_.prototype.ob$gt=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0<this.numberCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.ob$ge=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0<=this.numberCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.float_.prototype.__round__=function(a,b){Sk.builtin.pyCheckArgs("__round__",arguments,1,2);var c,d;if(void 0!==b&&!Sk.misceval.isIndex(b))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(b)+"' object cannot be interpreted as an index");void 0===b&&(b=0);d=Sk.builtin.asnum$(a);b=Sk.misceval.asIndex(b);c=Math.pow(10,b);c=Math.round(d*c)/c;return new Sk.builtin.float_(c)};Sk.builtin.float_.prototype.conjugate=new Sk.builtin.func(function(a){return new Sk.builtin.float_(a.v)});
+Sk.builtin.float_.prototype.$r=function(){return new Sk.builtin.str(this.str$(10,!0))};Sk.builtin.float_.prototype.tp$str=function(){return new Sk.builtin.str(this.str$(10,!0))};
+Sk.builtin.float_.prototype.str$=function(a,b){var c,d,e,f;if(isNaN(this.v))return"nan";void 0===b&&(b=!0);if(Infinity==this.v)return"inf";if(-Infinity==this.v&&b)return"-inf";if(-Infinity==this.v&&!b)return"inf";f=b?this.v:Math.abs(this.v);if(void 0===a||10===a){e=f.toPrecision(12);c=e.indexOf(".");d=f.toString().slice(0,c);c=f.toString().slice(c);d.match(/^-?0$/)&&c.slice(1).match(/^0{4,}/)&&(e=12>e.length?f.toExponential():f.toExponential(11));if(0>e.indexOf("e")&&0<=e.indexOf(".")){for(;"0"==
+e.charAt(e.length-1);)e=e.substring(0,e.length-1);"."==e.charAt(e.length-1)&&(e+="0")}e=e.replace(/\.0+e/,"e","i");e=e.replace(/(e[-+])([1-9])$/,"$10$2");e=e.replace(/0+(e.*)/,"$1")}else e=f.toString(a);0===this.v&&-Infinity===1/this.v&&(e="-"+e);0>e.indexOf(".")&&(0>e.indexOf("E")&&0>e.indexOf("e"))&&(e+=".0");return e};var deprecatedError=new Sk.builtin.ExternalError("Sk.builtin.nmber is deprecated.");Sk.builtin.nmber=function(a,b){throw new Sk.builtin.ExternalError("Sk.builtin.nmber is deprecated. Please replace with Sk.builtin.int_, Sk.builtin.float_, or Sk.builtin.assk$.");};Sk.builtin.nmber.prototype.tp$index=function(){return this.v};Sk.builtin.nmber.prototype.tp$hash=function(){throw deprecatedError;};Sk.builtin.nmber.fromInt$=function(a){throw deprecatedError;};
+Sk.builtin.nmber.prototype.clone=function(){throw deprecatedError;};Sk.builtin.nmber.prototype.toFixed=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$add=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$subtract=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$multiply=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$divide=function(a){throw deprecatedError;};
+Sk.builtin.nmber.prototype.nb$floor_divide=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$remainder=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$divmod=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$power=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$and=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$or=function(a){throw deprecatedError;};
+Sk.builtin.nmber.prototype.nb$xor=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$lshift=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$rshift=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$inplace_add=Sk.builtin.nmber.prototype.nb$add;Sk.builtin.nmber.prototype.nb$inplace_subtract=Sk.builtin.nmber.prototype.nb$subtract;Sk.builtin.nmber.prototype.nb$inplace_multiply=Sk.builtin.nmber.prototype.nb$multiply;
+Sk.builtin.nmber.prototype.nb$inplace_divide=Sk.builtin.nmber.prototype.nb$divide;Sk.builtin.nmber.prototype.nb$inplace_remainder=Sk.builtin.nmber.prototype.nb$remainder;Sk.builtin.nmber.prototype.nb$inplace_floor_divide=Sk.builtin.nmber.prototype.nb$floor_divide;Sk.builtin.nmber.prototype.nb$inplace_power=Sk.builtin.nmber.prototype.nb$power;Sk.builtin.nmber.prototype.nb$inplace_and=Sk.builtin.nmber.prototype.nb$and;Sk.builtin.nmber.prototype.nb$inplace_or=Sk.builtin.nmber.prototype.nb$or;
+Sk.builtin.nmber.prototype.nb$inplace_xor=Sk.builtin.nmber.prototype.nb$xor;Sk.builtin.nmber.prototype.nb$inplace_lshift=Sk.builtin.nmber.prototype.nb$lshift;Sk.builtin.nmber.prototype.nb$inplace_rshift=Sk.builtin.nmber.prototype.nb$rshift;Sk.builtin.nmber.prototype.nb$negative=function(){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$positive=function(){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$nonzero=function(){throw deprecatedError;};
+Sk.builtin.nmber.prototype.nb$isnegative=function(){throw deprecatedError;};Sk.builtin.nmber.prototype.nb$ispositive=function(){throw deprecatedError;};Sk.builtin.nmber.prototype.numberCompare=function(a){throw deprecatedError;};Sk.builtin.nmber.prototype.__eq__=function(a,b){throw deprecatedError;};Sk.builtin.nmber.prototype.__ne__=function(a,b){throw deprecatedError;};Sk.builtin.nmber.prototype.__lt__=function(a,b){throw deprecatedError;};
+Sk.builtin.nmber.prototype.__le__=function(a,b){throw deprecatedError;};Sk.builtin.nmber.prototype.__gt__=function(a,b){throw deprecatedError;};Sk.builtin.nmber.prototype.__ge__=function(a,b){throw deprecatedError;};Sk.builtin.nmber.prototype.__round__=function(a,b){throw deprecatedError;};Sk.builtin.nmber.prototype.$r=function(){throw deprecatedError;};Sk.builtin.nmber.prototype.tp$str=function(){throw deprecatedError;};Sk.builtin.nmber.prototype.str$=function(a,b){throw deprecatedError;};
+goog.exportSymbol("Sk.builtin.nmber",Sk.builtin.nmber);Sk.builtin.lng=function(a,b){b=Sk.builtin.asnum$(b);if(!(this instanceof Sk.builtin.lng))return new Sk.builtin.lng(a,b);if(void 0===a)return this.biginteger=new Sk.builtin.biginteger(0),this;if(a instanceof Sk.builtin.lng)return this.biginteger=a.biginteger.clone(),this;if(a instanceof Sk.builtin.biginteger)return this.biginteger=a,this;if(a instanceof String||"string"===typeof a)return Sk.longFromStr(a,b);if(a instanceof Sk.builtin.str)return Sk.longFromStr(a.v,b);if(void 0!==a&&!Sk.builtin.checkString(a)&&
+!Sk.builtin.checkNumber(a))if(!0===a)a=1;else if(!1===a)a=0;else throw new Sk.builtin.TypeError("long() argument must be a string or a number, not '"+Sk.abstr.typeName(a)+"'");a=Sk.builtin.asnum$nofloat(a);this.biginteger=new Sk.builtin.biginteger(a);return this};Sk.abstr.setUpInheritance("long",Sk.builtin.lng,Sk.builtin.numtype);Sk.builtin.lng.prototype.tp$index=function(){return parseInt(this.str$(10,!0),10)};Sk.builtin.lng.prototype.tp$hash=function(){return new Sk.builtin.int_(this.tp$index())};
+Sk.builtin.lng.prototype.nb$int_=function(){return this.cantBeInt()?new Sk.builtin.lng(this):new Sk.builtin.int_(this.toInt$())};Sk.builtin.lng.prototype.__index__=new Sk.builtin.func(function(a){return a.nb$int_(a)});Sk.builtin.lng.prototype.nb$lng_=function(){return this};Sk.builtin.lng.prototype.nb$float_=function(){return new Sk.builtin.float_(Sk.ffi.remapToJs(this))};Sk.builtin.lng.MAX_INT$=new Sk.builtin.lng(Sk.builtin.int_.threshold$);Sk.builtin.lng.MIN_INT$=new Sk.builtin.lng(-Sk.builtin.int_.threshold$);
+Sk.builtin.lng.prototype.cantBeInt=function(){return 0<this.longCompare(Sk.builtin.lng.MAX_INT$)||0>this.longCompare(Sk.builtin.lng.MIN_INT$)};Sk.builtin.lng.fromInt$=function(a){return new Sk.builtin.lng(a)};Sk.longFromStr=function(a,b){var c=Sk.str2number(a,b,function(a,b){return 10===b?new Sk.builtin.biginteger(a):new Sk.builtin.biginteger(a,b)},function(a){return a.negate()},"long");return new Sk.builtin.lng(c)};goog.exportSymbol("Sk.longFromStr",Sk.longFromStr);
+Sk.builtin.lng.prototype.toInt$=function(){return this.biginteger.intValue()};Sk.builtin.lng.prototype.clone=function(){return new Sk.builtin.lng(this)};Sk.builtin.lng.prototype.conjugate=new Sk.builtin.func(function(a){return a.clone()});
+Sk.builtin.lng.prototype.nb$add=function(a){var b;if(a instanceof Sk.builtin.float_)return b=new Sk.builtin.float_(this.str$(10,!0)),b.nb$add(a);a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?new Sk.builtin.lng(this.biginteger.add(a.biginteger)):a instanceof Sk.builtin.biginteger?new Sk.builtin.lng(this.biginteger.add(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$reflected_add=function(a){return Sk.builtin.lng.prototype.nb$add.call(this,a)};Sk.builtin.lng.prototype.nb$inplace_add=Sk.builtin.lng.prototype.nb$add;
+Sk.builtin.lng.prototype.nb$subtract=function(a){var b;if(a instanceof Sk.builtin.float_)return b=new Sk.builtin.float_(this.str$(10,!0)),b.nb$subtract(a);a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?new Sk.builtin.lng(this.biginteger.subtract(a.biginteger)):a instanceof Sk.builtin.biginteger?new Sk.builtin.lng(this.biginteger.subtract(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$reflected_subtract=function(a){var b=this.nb$negative();return Sk.builtin.lng.prototype.nb$add.call(b,a)};Sk.builtin.lng.prototype.nb$inplace_subtract=Sk.builtin.lng.prototype.nb$subtract;
+Sk.builtin.lng.prototype.nb$multiply=function(a){var b;if(a instanceof Sk.builtin.float_)return b=new Sk.builtin.float_(this.str$(10,!0)),b.nb$multiply(a);a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?new Sk.builtin.lng(this.biginteger.multiply(a.biginteger)):a instanceof Sk.builtin.biginteger?new Sk.builtin.lng(this.biginteger.multiply(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$reflected_multiply=function(a){return Sk.builtin.lng.prototype.nb$multiply.call(this,a)};Sk.builtin.lng.prototype.nb$inplace_multiply=Sk.builtin.lng.prototype.nb$multiply;
+Sk.builtin.lng.prototype.nb$divide=function(a){var b,c;if(a instanceof Sk.builtin.float_)return b=new Sk.builtin.float_(this.str$(10,!0)),b.nb$divide(a);a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));if(a instanceof Sk.builtin.lng){b=this.nb$isnegative();c=a.nb$isnegative();if(b&&!c||c&&!b){a=this.biginteger.divideAndRemainder(a.biginteger);if(0===a[1].trueCompare(Sk.builtin.biginteger.ZERO))return new Sk.builtin.lng(a[0]);a=a[0].subtract(Sk.builtin.biginteger.ONE);return new Sk.builtin.lng(a)}return new Sk.builtin.lng(this.biginteger.divide(a.biginteger))}return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$reflected_divide=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?a.nb$divide(this):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$floor_divide=function(a){var b;if(a instanceof Sk.builtin.float_)return b=new Sk.builtin.float_(this.str$(10,!0)),b.nb$floor_divide(a);a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?a.nb$divide(this):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$divmod=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?new Sk.builtin.tuple([this.nb$floor_divide(a),this.nb$remainder(a)]):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$reflected_divmod=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?new Sk.builtin.tuple([a.nb$floor_divide(this),a.nb$remainder(this)]):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$inplace_divide=Sk.builtin.lng.prototype.nb$divide;Sk.builtin.lng.prototype.nb$floor_divide=Sk.builtin.lng.prototype.nb$divide;Sk.builtin.lng.prototype.nb$reflected_floor_divide=Sk.builtin.lng.prototype.nb$reflected_divide;Sk.builtin.lng.prototype.nb$inplace_floor_divide=Sk.builtin.lng.prototype.nb$floor_divide;
+Sk.builtin.lng.prototype.nb$remainder=function(a){var b;if(0===this.biginteger.trueCompare(Sk.builtin.biginteger.ZERO))return a instanceof Sk.builtin.float_?new Sk.builtin.float_(0):new Sk.builtin.lng(0);if(a instanceof Sk.builtin.float_)return b=new Sk.builtin.float_(this.str$(10,!0)),b.nb$remainder(a);a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?(b=new Sk.builtin.lng(this.biginteger.remainder(a.biginteger)),this.nb$isnegative()?a.nb$ispositive()&&
+b.nb$nonzero()&&(b=b.nb$add(a).nb$remainder(a)):a.nb$isnegative()&&b.nb$nonzero()&&(b=b.nb$add(a)),b):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$reflected_remainder=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?a.nb$remainder(this):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$inplace_remainder=Sk.builtin.lng.prototype.nb$remainder;
+Sk.builtin.lng.prototype.nb$divmod=function(a){var b;a===Sk.builtin.bool.true$&&(a=new Sk.builtin.lng(1));a===Sk.builtin.bool.false$&&(a=new Sk.builtin.lng(0));a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?new Sk.builtin.tuple([this.nb$floor_divide(a),this.nb$remainder(a)]):a instanceof Sk.builtin.float_?(b=new Sk.builtin.float_(this.str$(10,!0)),b.nb$divmod(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$power=function(a,b){var c;if(void 0!==b)return a=new Sk.builtin.biginteger(Sk.builtin.asnum$(a)),b=new Sk.builtin.biginteger(Sk.builtin.asnum$(b)),new Sk.builtin.lng(this.biginteger.modPowInt(a,b));if(a instanceof Sk.builtin.float_||a instanceof Sk.builtin.int_&&0>a.v)return c=new Sk.builtin.float_(this.str$(10,!0)),c.nb$power(a);a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?void 0!==b?(a=new Sk.builtin.biginteger(Sk.builtin.asnum$(a)),
+b=new Sk.builtin.biginteger(Sk.builtin.asnum$(b)),new Sk.builtin.lng(this.biginteger.modPowInt(a,b))):a.nb$isnegative()?(c=new Sk.builtin.float_(this.str$(10,!0)),c.nb$power(a)):new Sk.builtin.lng(this.biginteger.pow(a.biginteger)):a instanceof Sk.builtin.biginteger?void 0!==b?(b=new Sk.builtin.biginteger(Sk.builtin.asnum$(b)),new Sk.builtin.lng(this.biginteger.modPowInt(a,b))):a.isnegative()?(c=new Sk.builtin.float_(this.str$(10,!0)),c.nb$power(a)):new Sk.builtin.lng(this.biginteger.pow(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$reflected_power=function(a,b){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?a.nb$power(this,b):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$inplace_power=Sk.builtin.lng.prototype.nb$power;Sk.builtin.lng.prototype.nb$abs=function(){return new Sk.builtin.lng(this.biginteger.bnAbs())};
+Sk.builtin.lng.prototype.nb$lshift=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));if(a instanceof Sk.builtin.lng){if(0>a.biginteger.signum())throw new Sk.builtin.ValueError("negative shift count");return new Sk.builtin.lng(this.biginteger.shiftLeft(a.biginteger))}if(a instanceof Sk.builtin.biginteger){if(0>a.signum())throw new Sk.builtin.ValueError("negative shift count");return new Sk.builtin.lng(this.biginteger.shiftLeft(a))}return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$reflected_lshift=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?a.nb$lshift(this):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$inplace_lshift=Sk.builtin.lng.prototype.nb$lshift;
+Sk.builtin.lng.prototype.nb$rshift=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));if(a instanceof Sk.builtin.lng){if(0>a.biginteger.signum())throw new Sk.builtin.ValueError("negative shift count");return new Sk.builtin.lng(this.biginteger.shiftRight(a.biginteger))}if(a instanceof Sk.builtin.biginteger){if(0>a.signum())throw new Sk.builtin.ValueError("negative shift count");return new Sk.builtin.lng(this.biginteger.shiftRight(a))}return Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.nb$reflected_rshift=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?a.nb$rshift(this):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$inplace_rshift=Sk.builtin.lng.prototype.nb$rshift;
+Sk.builtin.lng.prototype.nb$and=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?new Sk.builtin.lng(this.biginteger.and(a.biginteger)):a instanceof Sk.builtin.biginteger?new Sk.builtin.lng(this.biginteger.and(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$reflected_and=Sk.builtin.lng.prototype.nb$and;Sk.builtin.lng.prototype.nb$inplace_and=Sk.builtin.lng.prototype.nb$and;
+Sk.builtin.lng.prototype.nb$or=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?new Sk.builtin.lng(this.biginteger.or(a.biginteger)):a instanceof Sk.builtin.biginteger?new Sk.builtin.lng(this.biginteger.or(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$reflected_or=Sk.builtin.lng.prototype.nb$or;Sk.builtin.lng.prototype.nb$inplace_or=Sk.builtin.lng.prototype.nb$or;
+Sk.builtin.lng.prototype.nb$xor=function(a){a instanceof Sk.builtin.int_&&(a=new Sk.builtin.lng(a.v));return a instanceof Sk.builtin.lng?new Sk.builtin.lng(this.biginteger.xor(a.biginteger)):a instanceof Sk.builtin.biginteger?new Sk.builtin.lng(this.biginteger.xor(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.nb$reflected_xor=Sk.builtin.lng.prototype.nb$xor;Sk.builtin.lng.prototype.nb$inplace_xor=Sk.builtin.lng.prototype.nb$xor;Sk.builtin.lng.prototype.nb$negative=function(){return new Sk.builtin.lng(this.biginteger.negate())};
+Sk.builtin.lng.prototype.nb$invert=function(){return new Sk.builtin.lng(this.biginteger.not())};Sk.builtin.lng.prototype.nb$positive=function(){return this.clone()};Sk.builtin.lng.prototype.nb$nonzero=function(){return 0!==this.biginteger.trueCompare(Sk.builtin.biginteger.ZERO)};Sk.builtin.lng.prototype.nb$isnegative=function(){return this.biginteger.isnegative()};Sk.builtin.lng.prototype.nb$ispositive=function(){return!this.biginteger.isnegative()};
+Sk.builtin.lng.prototype.longCompare=function(a){var b;"number"===typeof a&&(a=new Sk.builtin.lng(a));return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.float_&&0===a.v%1?(a=new Sk.builtin.lng(a.v),this.longCompare(a)):a instanceof Sk.builtin.float_?(b=new Sk.builtin.float_(this),b.numberCompare(a)):a instanceof Sk.builtin.lng?this.biginteger.subtract(a.biginteger):a instanceof Sk.builtin.biginteger?this.biginteger.subtract(a):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.ob$eq=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0==this.longCompare(a)):a instanceof Sk.builtin.none?Sk.builtin.bool.false$:Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.ob$ne=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0!=this.longCompare(a)):a instanceof Sk.builtin.none?Sk.builtin.bool.true$:Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.ob$lt=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0>this.longCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.ob$le=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0>=this.longCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.ob$gt=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0<this.longCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};
+Sk.builtin.lng.prototype.ob$ge=function(a){return a instanceof Sk.builtin.int_||a instanceof Sk.builtin.lng||a instanceof Sk.builtin.float_?new Sk.builtin.bool(0<=this.longCompare(a)):Sk.builtin.NotImplemented.NotImplemented$};Sk.builtin.lng.prototype.$r=function(){return new Sk.builtin.str(this.str$(10,!0)+"L")};Sk.builtin.lng.prototype.tp$str=function(){return new Sk.builtin.str(this.str$(10,!0))};
+Sk.builtin.lng.prototype.str$=function(a,b){var c;void 0===b&&(b=!0);c=b?this.biginteger:this.biginteger.abs();return void 0===a||10===a?c.toString():c.toString(a)};Math.hypot=Math.hypot||function(){for(var a=0,b=arguments.length,c=0;c<b;c++){if(Infinity===arguments[c]||-Infinity===arguments[c])return Infinity;a+=arguments[c]*arguments[c]}return Math.sqrt(a)};
+Sk.builtin.complex=function(a,b){Sk.builtin.pyCheckArgs("complex",arguments,0,2);var c,d,e,f,g,h=!1,k=!1;if(!(this instanceof Sk.builtin.complex))return new Sk.builtin.complex(a,b);c=null==a?Sk.builtin.bool.false$:a;d=b;if(c instanceof Sk.builtin.complex&&null==d)return a;if(null!=c&&Sk.builtin.checkString(c)){if(null!=d)throw new Sk.builtin.TypeError("complex() can't take second arg if first is a string");return Sk.builtin.complex.complex_subtype_from_string(c)}if(null!=d&&Sk.builtin.checkString(d))throw new Sk.builtin.TypeError("complex() second arg can't be a string");
+e=Sk.builtin.complex.try_complex_special_method(c);if(null!=e&&e!==Sk.builtin.NotImplemented.NotImplemented$){if(!Sk.builtin.checkComplex(e))throw new Sk.builtin.TypeError("__complex__ should return a complex object");c=e}e=Sk.builtin.asnum$(c);null!=d&&(f=Sk.builtin.asnum$(d));var l=function(a){if(Sk.builtin.checkNumber(a)||void 0!==Sk.builtin.type.typeLookup(a.ob$type,"__float__"))return!0};if(null==e||!l(c)&&!Sk.builtin.checkComplex(c)||null!=d&&(null==f||!l(d)&&!Sk.builtin.checkComplex(d)))throw new Sk.builtin.TypeError("complex() argument must be a string or number");
+if(Sk.builtin.complex._complex_check(c))f=c.real.v,c=c.imag.v,h=!0;else{e=Sk.builtin.float_.PyFloat_AsDouble(c);if(null==e)return null;f=e;c=0}if(null==d)e=0;else if(Sk.builtin.complex._complex_check(d))e=d.real.v,g=d.imag.v,k=!0;else{e=Sk.builtin.float_.PyFloat_AsDouble(d);if(null==e)return null;g=0}!0===k&&(f-=g);!0===h&&(e+=c);0===f&&(0>e||Sk.builtin.complex._isNegativeZero(e))&&(f=-0);this.real=new Sk.builtin.float_(f);this.imag=new Sk.builtin.float_(e);this.__class__=Sk.builtin.complex;return this};
+Sk.abstr.setUpInheritance("complex",Sk.builtin.complex,Sk.builtin.numtype);Sk.builtin.complex.prototype.nb$int_=function(){throw new Sk.builtin.TypeError("can't convert complex to int");};Sk.builtin.complex.prototype.nb$float_=function(){throw new Sk.builtin.TypeError("can't convert complex to float");};Sk.builtin.complex.prototype.nb$lng=function(){throw new Sk.builtin.TypeError("can't convert complex to long");};Sk.builtin.complex.prototype.__doc__=new Sk.builtin.str("complex(real[, imag]) -> complex number\n\nCreate a complex number from a real part and an optional imaginary part.\nThis is equivalent to (real + imag*1j) where imag defaults to 0.");
+Sk.builtin.complex._isNegativeZero=function(a){return 0!==a?!1:-Infinity===1/a};Sk.builtin.complex.try_complex_special_method=function(a){new Sk.builtin.str("__complex__");var b;if(null==a)return null;b=Sk.abstr.lookupSpecial(a,"__complex__");return null!=b?a=Sk.misceval.callsim(b,a):null};
+Sk.builtin.complex.check_number_or_complex=function(a){if(!Sk.builtin.checkNumber(a)&&"complex"!==a.tp$name)throw new Sk.builtin.TypeError("unsupported operand type(s) for +: 'complex' and '"+Sk.abstr.typeName(a)+"'");Sk.builtin.checkNumber(a)&&(a=new Sk.builtin.complex(a));return a};
+Sk.builtin.complex.complex_subtype_from_string=function(a){var b,c,d=0,e=0,f=!1,g;if(Sk.builtin.checkString(a))a=Sk.ffi.remapToJs(a);else if("string"!==typeof a)throw new TypeError("provided unsupported string-alike argument");if(-1!==a.indexOf("\x00")||0===a.length||""===a)throw new Sk.builtin.ValueError("complex() arg is a malformed string");b=0;a=a.replace(/inf|infinity/gi,"Infinity");for(a=a.replace(/nan/gi,"NaN");" "===a[b];)b++;if("("===a[b])for(f=!0,b++;" "===a[b];)b++;var h=/^(?:[+-]?(?:(?:(?:\d*\.\d+)|(?:\d+\.?))(?:[eE][+-]?\d+)?|NaN|Infinity))/;
+c=a.substr(b);g=c.match(h);if(null!==g)if(b+=g[0].length,"j"===a[b]||"J"===a[b])e=parseFloat(g[0]),b++;else if("+"===a[b]||"-"===a[b]){d=parseFloat(g[0]);g=a.substr(b).match(h);null!==g?(e=parseFloat(g[0]),b+=g[0].length):(e="+"===a[b]?1:-1,b++);if("j"!==a[b]&&"J"!==a[b])throw new Sk.builtin.ValueError("complex() arg is malformed string");b++}else d=parseFloat(g[0]);else g=g=c.match(/^([+-]?[jJ])/),null!==g&&(e=1===g[0].length?1:"+"===g[0][0]?1:-1,b+=g[0].length);for(;" "===a[b];)b++;if(f){if(")"!==
+a[b])throw new Sk.builtin.ValueError("complex() arg is malformed string");for(b++;" "===a[b];)b++}if(a.length!==b)throw new Sk.builtin.ValueError("complex() arg is malformed string");return new Sk.builtin.complex(new Sk.builtin.float_(d),new Sk.builtin.float_(e))};Sk.builtin.complex.prototype.tp$hash=function(){return new Sk.builtin.int_(1000003*this.tp$getattr("imag").v+this.tp$getattr("real").v)};
+Sk.builtin.complex.prototype.nb$add=function(a){var b;a=Sk.builtin.complex.check_number_or_complex(a);b=this.tp$getattr("real").v+a.tp$getattr("real").v;a=this.tp$getattr("imag").v+a.tp$getattr("imag").v;return new Sk.builtin.complex(new Sk.builtin.float_(b),new Sk.builtin.float_(a))};Sk.builtin.complex._c_diff=function(a,b){var c,d;c=a.real.nb$subtract.call(a.real,b.real);d=a.imag.nb$subtract.call(a.imag,b.imag);return new Sk.builtin.complex(c,d)};
+Sk.builtin.complex.prototype.nb$subtract=function(a){var b;b=Sk.builtin.complex.check_number_or_complex(this);a=Sk.builtin.complex.check_number_or_complex(a);return Sk.builtin.complex._c_diff(b,a)};Sk.builtin.complex.prototype.nb$multiply=function(a){var b;b=Sk.builtin.complex.check_number_or_complex(a);a=this.real.v*b.real.v-this.imag.v*b.imag.v;b=this.real.v*b.imag.v+this.imag.v*b.real.v;return new Sk.builtin.complex(new Sk.builtin.float_(a),new Sk.builtin.float_(b))};
+Sk.builtin.complex.prototype.nb$divide=function(a){var b;a=Sk.builtin.complex.check_number_or_complex(a);var c,d;b=a.real.v;var e=a.imag.v;a=this.real.v;var f=this.imag.v;c=Math.abs(b);d=Math.abs(e);if(c>=d){if(0===c)throw new Sk.builtin.ZeroDivisionError("complex division by zero");c=e/b;d=b+e*c;b=(a+f*c)/d;a=(f-a*c)/d}else d>=c?(c=b/e,d=b*c+e,goog.asserts.assert(0!==e),b=(a*c+f)/d,a=(f*c-a)/d):a=b=NaN;return new Sk.builtin.complex(new Sk.builtin.float_(b),new Sk.builtin.float_(a))};
+Sk.builtin.complex.prototype.nb$floor_divide=function(a){throw new Sk.builtin.TypeError("can't take floor of complex number.");};Sk.builtin.complex.prototype.nb$remainder=function(a){throw new Sk.builtin.TypeError("can't mod complex numbers.");};
+Sk.builtin.complex.prototype.nb$power=function(a,b){var c,d;if(null!=b&&!Sk.builtin.checkNone(b))throw new Sk.builtin.ValueError("complex modulo");d=Sk.builtin.complex.check_number_or_complex(a);c=d.real.v|0;return 0===d.imag.v&&d.real.v===c?Sk.builtin.complex.c_powi(this,c):Sk.builtin.complex.c_pow(this,d)};
+Sk.builtin.complex.c_pow=function(a,b){var c,d,e,f;f=b.real.v;var g=b.imag.v;e=a.real.v;var h=a.imag.v;if(0===f&&0===g)c=1,d=0;else if(0===e&&0===h){if(0!==g||0>f)throw new Sk.builtin.ZeroDivisionError("complex division by zero");d=c=0}else c=Math.hypot(e,h),d=Math.pow(c,f),e=Math.atan2(h,e),f*=e,0!==g&&(d/=Math.exp(e*g),f+=g*Math.log(c)),c=d*Math.cos(f),d*=Math.sin(f);return new Sk.builtin.complex(new Sk.builtin.float_(c),new Sk.builtin.float_(d))};
+Sk.builtin.complex.c_powi=function(a,b){var c;return 100<b||-100>b?(c=new Sk.builtin.complex(new Sk.builtin.float_(b),new Sk.builtin.float_(0)),Sk.builtin.complex.c_pow(a,c)):0<b?Sk.builtin.complex.c_powu(a,b):(new Sk.builtin.complex(new Sk.builtin.float_(1),new Sk.builtin.float_(0))).nb$divide(Sk.builtin.complex.c_powu(a,-b))};
+Sk.builtin.complex.c_powu=function(a,b){var c,d,e=1;c=new Sk.builtin.complex(new Sk.builtin.float_(1),new Sk.builtin.float_(0));for(d=a;0<e&&b>=e;)b&e&&(c=c.nb$multiply(d)),e<<=1,d=d.nb$multiply(d);return c};Sk.builtin.complex.prototype.nb$inplace_add=Sk.builtin.complex.prototype.nb$add;Sk.builtin.complex.prototype.nb$inplace_subtract=Sk.builtin.complex.prototype.nb$subtract;Sk.builtin.complex.prototype.nb$inplace_multiply=Sk.builtin.complex.prototype.nb$multiply;
+Sk.builtin.complex.prototype.nb$inplace_divide=Sk.builtin.complex.prototype.nb$divide;Sk.builtin.complex.prototype.nb$inplace_remainder=Sk.builtin.complex.prototype.nb$remainder;Sk.builtin.complex.prototype.nb$inplace_floor_divide=Sk.builtin.complex.prototype.nb$floor_divide;Sk.builtin.complex.prototype.nb$inplace_power=Sk.builtin.complex.prototype.nb$power;
+Sk.builtin.complex.prototype.nb$negative=function(){var a,b;b=this.imag.v;a=-this.real.v;b=-b;return new Sk.builtin.complex(new Sk.builtin.float_(a),new Sk.builtin.float_(b))};Sk.builtin.complex.prototype.nb$positive=function(){return Sk.builtin.complex.check_number_or_complex(this)};Sk.builtin.complex._complex_check=function(a){return void 0===a?!1:a instanceof Sk.builtin.complex||a.tp$name&&"complex"===a.tp$name||Sk.builtin.issubclass(new Sk.builtin.type(a),Sk.builtin.complex)?!0:!1};
+Sk.builtin.complex.prototype.tp$richcompare=function(a,b){var c,d;if("Eq"!==b&&"NotEq"!==b){if(Sk.builtin.checkNumber(a)||Sk.builtin.complex._complex_check(a))throw new Sk.builtin.TypeError("no ordering relation is defined for complex numbers");return Sk.builtin.NotImplemented.NotImplemented$}d=Sk.builtin.complex.check_number_or_complex(this);c=d.tp$getattr("real").v;d=d.tp$getattr("imag").v;if(Sk.builtin.checkInt(a)){if(0===d)return c=Sk.misceval.richCompareBool(new Sk.builtin.float_(c),a,b),c=new Sk.builtin.bool(c);
+c=!1}else if(Sk.builtin.checkFloat(a))c=c===Sk.builtin.float_.PyFloat_AsDouble(a)&&0===d;else if(Sk.builtin.complex._complex_check(a)){var e=a.tp$getattr("real").v,f=a.tp$getattr("imag").v;c=c===e&&d===f}else return Sk.builtin.NotImplemented.NotImplemented$;"NotEq"===b&&(c=!c);return c=new Sk.builtin.bool(c)};Sk.builtin.complex.prototype.__eq__=function(a,b){return Sk.builtin.complex.prototype.tp$richcompare.call(a,b,"Eq")};
+Sk.builtin.complex.prototype.__ne__=function(a,b){return Sk.builtin.complex.prototype.tp$richcompare.call(a,b,"NotEq")};Sk.builtin.complex.prototype.__lt__=function(a,b){throw new Sk.builtin.TypeError("unorderable types: "+Sk.abstr.typeName(a)+" < "+Sk.abstr.typeName(b));};Sk.builtin.complex.prototype.__le__=function(a,b){throw new Sk.builtin.TypeError("unorderable types: "+Sk.abstr.typeName(a)+" <= "+Sk.abstr.typeName(b));};
+Sk.builtin.complex.prototype.__gt__=function(a,b){throw new Sk.builtin.TypeError("unorderable types: "+Sk.abstr.typeName(a)+" > "+Sk.abstr.typeName(b));};Sk.builtin.complex.prototype.__ge__=function(a,b){throw new Sk.builtin.TypeError("unorderable types: "+Sk.abstr.typeName(a)+" >= "+Sk.abstr.typeName(b));};Sk.builtin.complex.prototype.__float__=function(a){throw new Sk.builtin.TypeError("can't convert complex to float");};
+Sk.builtin.complex.prototype.__int__=function(a){throw new Sk.builtin.TypeError("can't convert complex to int");};Sk.builtin.complex.prototype._internalGenericGetAttr=Sk.builtin.object.prototype.GenericGetAttr;Sk.builtin.complex.prototype.tp$getattr=function(a){if(null!=a&&(Sk.builtin.checkString(a)||"string"===typeof a)){var b=a;Sk.builtin.checkString(a)&&(b=Sk.ffi.remapToJs(a));if("real"===b||"imag"===b)return this[b]}return this._internalGenericGetAttr(a)};
+Sk.builtin.complex.prototype.tp$setattr=function(a,b){if(null!=a&&(Sk.builtin.checkString(a)||"string"===typeof a)){var c=a;Sk.builtin.checkString(a)&&(c=Sk.ffi.remapToJs(a));if("real"===c||"imag"===c)throw new Sk.builtin.AttributeError("readonly attribute");}throw new Sk.builtin.AttributeError("'complex' object attribute '"+a+"' is readonly");};
+Sk.builtin.complex.complex_format=function(a,b,c){if(null==a||!Sk.builtin.complex._complex_check(a))throw Error("Invalid internal method call: Sk.complex.complex_format() called with invalid value type.");var d="",d="",e=null,f="",g="";0===a.real.v&&1==(0>a.real.v?-Math.abs(1):Math.abs(1))?(e="",d=Sk.builtin.complex.PyOS_double_to_string(a.imag.v,c,b,0,null)):(e=d=Sk.builtin.complex.PyOS_double_to_string(a.real.v,c,b,0,null),d=Sk.builtin.complex.PyOS_double_to_string(a.imag.v,c,b,Sk.builtin.complex.PyOS_double_to_string.Py_DTSF_SIGN,
+null),0===a.imag.v&&(-Infinity===1/a.imag.v&&d&&"-"!==d[0])&&(d="-"+d),f="(",g=")");return new Sk.builtin.str(""+f+e+d+"j"+g)};Sk.builtin.complex.prototype.$r=function(){return Sk.builtin.complex.complex_format(this,0,"r")};Sk.builtin.complex.prototype.tp$str=function(){return Sk.builtin.complex.complex_format(this,null,"g")};
+Sk.builtin.complex.prototype.__format__=new Sk.builtin.func(function(a,b){var c;if(null==b)return null;if(Sk.builtin.checkString(b))return c=Sk.builtin.complex._PyComplex_FormatAdvanced(a,b);throw new Sk.builtin.TypeError("__format__ requires str or unicode");});Sk.builtin.complex._PyComplex_FormatAdvanced=function(a,b){throw new Sk.builtin.NotImplementedError("__format__ is not implemented for complex type.");};
+Sk.builtin.complex._is_finite=function(a){return!isNaN(a)&&Infinity!==a&&-Infinity!==a};Sk.builtin.complex._is_infinity=function(a){return Infinity===a||-Infinity===a};
+Sk.builtin.complex.prototype.__abs__=new Sk.builtin.func(function(a){var b;b=a.real.v;a=a.imag.v;if(!Sk.builtin.complex._is_finite(b)||!Sk.builtin.complex._is_finite(a))return Sk.builtin.complex._is_infinity(b)?(b=Math.abs(b),new Sk.builtin.float_(b)):Sk.builtin.complex._is_infinity(a)?(b=Math.abs(a),new Sk.builtin.float_(b)):new Sk.builtin.float_(NaN);b=Math.hypot(b,a);if(!Sk.builtin.complex._is_finite(b))throw new Sk.builtin.OverflowError("absolute value too large");return new Sk.builtin.float_(b)});
+Sk.builtin.complex.prototype.__bool__=new Sk.builtin.func(function(a){return new Sk.builtin.bool(a.tp$getattr("real").v||a.tp$getattr("real").v)});Sk.builtin.complex.prototype.__truediv__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__truediv__",arguments,1,1,!0);return a.nb$divide.call(a,b)});Sk.builtin.complex.prototype.__hash__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__hash__",arguments,0,0,!0);return a.tp$hash.call(a)});
+Sk.builtin.complex.prototype.__add__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__add__",arguments,1,1,!0);return a.nb$add.call(a,b)});Sk.builtin.complex.prototype.__repr__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__repr__",arguments,0,0,!0);return a.r$.call(a)});Sk.builtin.complex.prototype.__str__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__str__",arguments,0,0,!0);return a.tp$str.call(a)});
+Sk.builtin.complex.prototype.__sub__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__sub__",arguments,1,1,!0);return a.nb$subtract.call(a,b)});Sk.builtin.complex.prototype.__mul__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__mul__",arguments,1,1,!0);return a.nb$multiply.call(a,b)});Sk.builtin.complex.prototype.__div__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__div__",arguments,1,1,!0);return a.nb$divide.call(a,b)});
+Sk.builtin.complex.prototype.__floordiv__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__floordiv__",arguments,1,1,!0);return a.nb$floor_divide.call(a,b)});Sk.builtin.complex.prototype.__mod__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__mod__",arguments,1,1,!0);return a.nb$remainder.call(a,b)});Sk.builtin.complex.prototype.__pow__=new Sk.builtin.func(function(a,b,c){Sk.builtin.pyCheckArgs("__pow__",arguments,1,2,!0);return a.nb$power.call(a,b,c)});
+Sk.builtin.complex.prototype.__neg__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__neg__",arguments,0,0,!0);return a.nb$negative.call(a)});Sk.builtin.complex.prototype.__pos__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__pos__",arguments,0,0,!0);return a.nb$positive.call(a)});Sk.builtin.complex.prototype.conjugate=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("conjugate",arguments,0,0,!0);var b=a.imag.v;return new Sk.builtin.complex(a.real,new Sk.builtin.float_(-b))});
+Sk.builtin.complex.prototype.__divmod__=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("__divmod__",arguments,1,1,!0);var c,d,e;d=Sk.builtin.complex.check_number_or_complex(a);e=Sk.builtin.complex.check_number_or_complex(b);c=d.nb$divide.call(d,e);c.real=new Sk.builtin.float_(Math.floor(c.real.v));c.imag=new Sk.builtin.float_(0);d=d.nb$subtract.call(d,e.nb$multiply.call(e,c));return new Sk.builtin.tuple([c,d])});
+Sk.builtin.complex.prototype.__getnewargs__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__getnewargs__",arguments,0,0,!0);return new Sk.builtin.tuple([a.real,a.imag])});Sk.builtin.complex.prototype.__nonzero__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__nonzero__",arguments,0,0,!0);return 0!==a.real.v||0!==a.imag.v?Sk.builtin.bool.true$:Sk.builtin.bool.false$});goog.exportSymbol("Sk.builtin.complex",Sk.builtin.complex);
+Sk.builtin.complex.PyOS_double_to_string=function(a,b,c,d,e){e=!1;switch(b){case "e":case "f":case "g":break;case "E":e=!0;b="e";break;case "F":e=!0;b="f";break;case "r":if(0!==c)throw Error("Bad internall call");c=17;b="g";break;default:throw Error("Bad internall call");}if(isNaN(a))a="nan";else if(Infinity===a)a="inf";else if(-Infinity===a)a="-inf";else{d&Sk.builtin.complex.PyOS_double_to_string.Py_DTSF_ADD_DOT_0&&(b="g");var f;f="%"+(d&Sk.builtin.complex.PyOS_double_to_string.Py_DTSF_ALT?"#":"");
+null!=c&&(f=f+"."+c);f+=b;f=new Sk.builtin.str(f);a=f.nb$remainder(new Sk.builtin.float_(a));a=a.v}d&Sk.builtin.complex.PyOS_double_to_string.Py_DTSF_SIGN&&"-"!==a[0]&&(a="+"+a);e&&(a=a.toUpperCase());return a};Sk.builtin.complex.PyOS_double_to_string.Py_DTSF_SIGN=1;Sk.builtin.complex.PyOS_double_to_string.Py_DTSF_ADD_DOT_0=2;Sk.builtin.complex.PyOS_double_to_string.Py_DTSF_ALT=4;Sk.builtin.complex.PyOS_double_to_string.Py_DTST_FINITE=0;Sk.builtin.complex.PyOS_double_to_string.Py_DTST_INFINITE=1;
+Sk.builtin.complex.PyOS_double_to_string.Py_DTST_NAN=2;Sk.builtin.slice=function(a,b,c){Sk.builtin.pyCheckArgs("slice",arguments,1,3,!1,!1);if(void 0!==c&&Sk.misceval.isIndex(c)&&0===Sk.misceval.asIndex(c))throw new Sk.builtin.ValueError("slice step cannot be zero");if(!(this instanceof Sk.builtin.slice))return new Sk.builtin.slice(a,b,c);void 0===b&&void 0===c&&(b=a,a=Sk.builtin.none.none$);void 0===b&&(b=Sk.builtin.none.none$);void 0===c&&(c=Sk.builtin.none.none$);this.start=a;this.stop=b;this.step=c;this.__class__=Sk.builtin.slice;this.$d=new Sk.builtin.dict([Sk.builtin.slice$start,
+this.start,Sk.builtin.slice$stop,this.stop,Sk.builtin.slice$step,this.step]);return this};Sk.abstr.setUpInheritance("slice",Sk.builtin.slice,Sk.builtin.object);Sk.builtin.slice.prototype.$r=function(){var a=Sk.builtin.repr(this.start).v,b=Sk.builtin.repr(this.stop).v,c=Sk.builtin.repr(this.step).v;return new Sk.builtin.str("slice("+a+", "+b+", "+c+")")};
+Sk.builtin.slice.prototype.tp$richcompare=function(a,b){var c,d;if(!a.__class__||a.__class__!=Sk.builtin.slice)return"Eq"===b?!1:"NotEq"===b?!0:!1;c=new Sk.builtin.tuple([this.start,this.stop,this.step]);d=new Sk.builtin.tuple([a.start,a.stop,a.step]);return c.tp$richcompare(d,b)};
+Sk.builtin.slice.prototype.slice_indices_=function(a){var b,c,d;if(Sk.builtin.checkNone(this.start))b=null;else if(Sk.misceval.isIndex(this.start))b=Sk.misceval.asIndex(this.start);else throw new Sk.builtin.TypeError("slice indices must be integers or None");if(Sk.builtin.checkNone(this.stop))c=null;else if(Sk.misceval.isIndex(this.stop))c=Sk.misceval.asIndex(this.stop);else throw new Sk.builtin.TypeError("slice indices must be integers or None");if(Sk.builtin.checkNone(this.step))d=null;else if(Sk.misceval.isIndex(this.step))d=
+Sk.misceval.asIndex(this.step);else throw new Sk.builtin.TypeError("slice indices must be integers or None");null===d&&(d=1);0<d?(null===b&&(b=0),null===c&&(c=a),c>a&&(c=a),0>b&&(b=a+b,0>b&&(b=0)),0>c&&(c=a+c)):(null===b&&(b=a-1),b>=a&&(b=a-1),null===c?c=-1:0>c&&(c=a+c,0>c&&(c=-1)),0>b&&(b=a+b));return[b,c,d]};
+Sk.builtin.slice.prototype.indices=new Sk.builtin.func(function(a,b){Sk.builtin.pyCheckArgs("indices",arguments,2,2,!1,!1);b=Sk.builtin.asnum$(b);var c=a.slice_indices_(b);return new Sk.builtin.tuple([new Sk.builtin.int_(c[0]),new Sk.builtin.int_(c[1]),new Sk.builtin.int_(c[2])])});
+Sk.builtin.slice.prototype.sssiter$=function(a,b){var c,d=Sk.builtin.asnum$(a),e=this.slice_indices_("number"===typeof d?d:a.v.length);if(0<e[2])for(c=e[0];c<e[1]&&!1!==b(c,d);c+=e[2]);else for(c=e[0];c>e[1]&&!1!==b(c,d);c+=e[2]);};Sk.builtin.slice$start=new Sk.builtin.str("start");Sk.builtin.slice$stop=new Sk.builtin.str("stop");Sk.builtin.slice$step=new Sk.builtin.str("step");Sk.builtin.set=function(a){var b;if(!(this instanceof Sk.builtin.set))return new Sk.builtin.set(a);"undefined"===typeof a&&(a=[]);this.set_reset_();a=new Sk.builtin.list(a);a=Sk.abstr.iter(a);for(b=a.tp$iternext();void 0!==b;b=a.tp$iternext())Sk.builtin.set.prototype.add.func_code(this,b);this.__class__=Sk.builtin.set;this.v=this.v;return this};Sk.abstr.setUpInheritance("set",Sk.builtin.set,Sk.builtin.object);Sk.abstr.markUnhashable(Sk.builtin.set);
+Sk.builtin.set.prototype.set_iter_=function(){var a=this.v.tp$iter();a.tp$name="set_iterator";return a};Sk.builtin.set.prototype.set_reset_=function(){this.v=new Sk.builtin.dict([])};Sk.builtin.set.prototype.$r=function(){var a,b,c=[];a=Sk.abstr.iter(this);for(b=a.tp$iternext();void 0!==b;b=a.tp$iternext())c.push(Sk.misceval.objectRepr(b).v);return Sk.python3?new Sk.builtin.str("{"+c.join(", ")+"}"):new Sk.builtin.str("set(["+c.join(", ")+"])")};
+Sk.builtin.set.prototype.ob$eq=function(a){return this===a?Sk.builtin.bool.true$:a instanceof Sk.builtin.set&&Sk.builtin.set.prototype.sq$length.call(this)===Sk.builtin.set.prototype.sq$length.call(a)?this.issubset.func_code(this,a):Sk.builtin.bool.false$};
+Sk.builtin.set.prototype.ob$ne=function(a){return this===a?Sk.builtin.bool.false$:a instanceof Sk.builtin.set&&Sk.builtin.set.prototype.sq$length.call(this)===Sk.builtin.set.prototype.sq$length.call(a)?this.issubset.func_code(this,a).v?Sk.builtin.bool.false$:Sk.builtin.bool.true$:Sk.builtin.bool.true$};
+Sk.builtin.set.prototype.ob$lt=function(a){return this===a||Sk.builtin.set.prototype.sq$length.call(this)>=Sk.builtin.set.prototype.sq$length.call(a)?Sk.builtin.bool.false$:this.issubset.func_code(this,a)};Sk.builtin.set.prototype.ob$le=function(a){return this===a?Sk.builtin.bool.true$:Sk.builtin.set.prototype.sq$length.call(this)>Sk.builtin.set.prototype.sq$length.call(a)?Sk.builtin.bool.false$:this.issubset.func_code(this,a)};
+Sk.builtin.set.prototype.ob$gt=function(a){return this===a||Sk.builtin.set.prototype.sq$length.call(this)<=Sk.builtin.set.prototype.sq$length.call(a)?Sk.builtin.bool.false$:this.issuperset.func_code(this,a)};Sk.builtin.set.prototype.ob$ge=function(a){return this===a?Sk.builtin.bool.true$:Sk.builtin.set.prototype.sq$length.call(this)<Sk.builtin.set.prototype.sq$length.call(a)?Sk.builtin.bool.false$:this.issuperset.func_code(this,a)};
+Sk.builtin.set.prototype.__iter__=new Sk.builtin.func(function(a){Sk.builtin.pyCheckArgs("__iter__",arguments,0,0,!1,!0);return Sk.builtin.set.prototype.tp$iter.call(a)});Sk.builtin.set.prototype.tp$iter=Sk.builtin.set.prototype.set_iter_;Sk.builtin.set.prototype.sq$length=function(){return this.v.mp$length()};Sk.builtin.set.prototype.sq$contains=function(a){return this.v.sq$contains(a)};
+Sk.builtin.set.prototype.isdisjoint=new Sk.builtin.func(function(a,b){var c,d;d=Sk.abstr.iter(a);for(c=d.tp$iternext();void 0!==c;c=d.tp$iternext())if(c=Sk.abstr.sequenceContains(b,c))return Sk.builtin.bool.false$;return Sk.builtin.bool.true$});
+Sk.builtin.set.prototype.issubset=new Sk.builtin.func(function(a,b){var c,d;d=a.sq$length();c=b.sq$length();if(d>c)return Sk.builtin.bool.false$;d=Sk.abstr.iter(a);for(c=d.tp$iternext();void 0!==c;c=d.tp$iternext())if(c=Sk.abstr.sequenceContains(b,c),!c)return Sk.builtin.bool.false$;return Sk.builtin.bool.true$});Sk.builtin.set.prototype.issuperset=new Sk.builtin.func(function(a,b){return Sk.builtin.set.prototype.issubset.func_code(b,a)});
+Sk.builtin.set.prototype.union=new Sk.builtin.func(function(a){var b,c=new Sk.builtin.set(a);for(b=1;b<arguments.length;b++)Sk.builtin.set.prototype.update.func_code(c,arguments[b]);return c});Sk.builtin.set.prototype.intersection=new Sk.builtin.func(function(a){var b=Sk.builtin.set.prototype.copy.func_code(a),c=Array.prototype.slice.call(arguments);c[0]=b;Sk.builtin.set.prototype.intersection_update.func_code.apply(null,c);return b});
+Sk.builtin.set.prototype.difference=new Sk.builtin.func(function(a,b){var c=Sk.builtin.set.prototype.copy.func_code(a),d=Array.prototype.slice.call(arguments);d[0]=c;Sk.builtin.set.prototype.difference_update.func_code.apply(null,d);return c});
+Sk.builtin.set.prototype.symmetric_difference=new Sk.builtin.func(function(a,b){var c,d,e=Sk.builtin.set.prototype.union.func_code(a,b);c=Sk.abstr.iter(e);for(d=c.tp$iternext();void 0!==d;d=c.tp$iternext())Sk.abstr.sequenceContains(a,d)&&Sk.abstr.sequenceContains(b,d)&&Sk.builtin.set.prototype.discard.func_code(e,d);return e});Sk.builtin.set.prototype.copy=new Sk.builtin.func(function(a){return new Sk.builtin.set(a)});
+Sk.builtin.set.prototype.update=new Sk.builtin.func(function(a,b){var c,d;c=Sk.abstr.iter(b);for(d=c.tp$iternext();void 0!==d;d=c.tp$iternext())Sk.builtin.set.prototype.add.func_code(a,d);return Sk.builtin.none.none$});
+Sk.builtin.set.prototype.intersection_update=new Sk.builtin.func(function(a,b){var c,d,e;d=Sk.abstr.iter(a);for(e=d.tp$iternext();void 0!==e;e=d.tp$iternext())for(c=1;c<arguments.length;c++)if(!Sk.abstr.sequenceContains(arguments[c],e)){Sk.builtin.set.prototype.discard.func_code(a,e);break}return Sk.builtin.none.none$});
+Sk.builtin.set.prototype.difference_update=new Sk.builtin.func(function(a,b){var c,d,e;d=Sk.abstr.iter(a);for(e=d.tp$iternext();void 0!==e;e=d.tp$iternext())for(c=1;c<arguments.length;c++)if(Sk.abstr.sequenceContains(arguments[c],e)){Sk.builtin.set.prototype.discard.func_code(a,e);break}return Sk.builtin.none.none$});
+Sk.builtin.set.prototype.symmetric_difference_update=new Sk.builtin.func(function(a,b){var c=Sk.builtin.set.prototype.symmetric_difference.func_code(a,b);a.set_reset_();Sk.builtin.set.prototype.update.func_code(a,c);return Sk.builtin.none.none$});Sk.builtin.set.prototype.add=new Sk.builtin.func(function(a,b){a.v.mp$ass_subscript(b,!0);return Sk.builtin.none.none$});
+Sk.builtin.set.prototype.discard=new Sk.builtin.func(function(a,b){Sk.builtin.dict.prototype.pop.func_code(a.v,b,Sk.builtin.none.none$);return Sk.builtin.none.none$});Sk.builtin.set.prototype.pop=new Sk.builtin.func(function(a){var b;if(0===a.sq$length())throw new Sk.builtin.KeyError("pop from an empty set");b=Sk.abstr.iter(a).tp$iternext();Sk.builtin.set.prototype.discard.func_code(a,b);return b});Sk.builtin.set.prototype.remove=new Sk.builtin.func(function(a,b){a.v.mp$del_subscript(b);return Sk.builtin.none.none$});
+goog.exportSymbol("Sk.builtin.set",Sk.builtin.set);var print_f=function(a){Sk.builtin.pyCheckArgs("print",arguments,0,Infinity,!0,!1);var b=Array.prototype.slice.call(arguments,1),c=new Sk.builtins.dict(a);Sk.ffi.remapToJs(c);var d={sep:" ",end:"\n",file:null},e,f;e=c.mp$lookup(new Sk.builtin.str("sep"));if(void 0!==e)if(f=Sk.builtin.checkNone(e),Sk.builtin.checkString(e)||f)d.sep=f?d.sep:Sk.ffi.remapToJs(e);else throw new Sk.builtin.TypeError("sep must be None or a string, not "+Sk.abstr.typeName(e));e=c.mp$lookup(new Sk.builtin.str("end"));if(void 0!==
+e)if(f=Sk.builtin.checkNone(e),Sk.builtin.checkString(e)||f)d.end=f?d.end:Sk.ffi.remapToJs(e);else throw new Sk.builtin.TypeError("end must be None or a string, not "+Sk.abstr.typeName(e));e=c.mp$lookup(new Sk.builtin.str("file"));if(void 0!==e)if((f=Sk.builtin.checkNone(e))||void 0!==e.tp$getattr("write"))d.file=f?d.file:e;else throw new Sk.builtin.AttributeError("'"+Sk.abstr.typeName(e)+"' object has no attribute 'write'");c="";for(e=0;e<b.length;e++)c+=(new Sk.builtin.str(b[e])).v,c+=d.sep;0<b.length&&
+0<d.sep.length&&(c=c.substring(0,c.length-d.sep.length));c+=d.end;null!==d.file?Sk.misceval.callsim(d.file.write,d.file,new Sk.builtin.str(c)):(b=Sk.importModule("sys"),Sk.misceval.apply(b.$d.stdout.write,void 0,void 0,void 0,[b.$d.stdout,new Sk.builtin.str(c)]))};print_f.co_kwargs=!0;Sk.builtin.print=new Sk.builtin.func(print_f);Sk.builtin.print.__doc__=new Sk.builtin.str("print(value, ..., sep=' ', end='\\n', file=sys.stdout, flush=False)\n\nPrints the values to a stream, or to sys.stdout by default.\nOptional keyword arguments:\nfile:  a file-like object (stream); defaults to the current sys.stdout.\nsep:   string inserted between values, default a space.\nend:   string appended after the last value, default a newline.\nflush: whether to forcibly flush the stream.");Sk.builtin.module=function(){};goog.exportSymbol("Sk.builtin.module",Sk.builtin.module);Sk.builtin.module.prototype.ob$type=Sk.builtin.type.makeIntoTypeObj("module",Sk.builtin.module);Sk.builtin.module.prototype.tp$getattr=Sk.builtin.object.prototype.GenericGetAttr;Sk.builtin.module.prototype.tp$setattr=Sk.builtin.object.prototype.GenericSetAttr;Sk.builtin.structseq_types={};
+Sk.builtin.make_structseq=function(a,b,c,d){var e=a+"."+b,f=[];a=[];for(var g in c)f.push(g),a.push(c[g]);c=function(a){Sk.builtin.pyCheckArgs(e,arguments,1,1);var b,c,d;if(!(this instanceof Sk.builtin.structseq_types[e]))return b=Object.create(Sk.builtin.structseq_types[e].prototype),b.constructor.apply(b,arguments),b;if("[object Array]"===Object.prototype.toString.apply(a))d=a;else{d=[];b=Sk.abstr.iter(a);for(c=b.tp$iternext();void 0!==c;c=b.tp$iternext())d.push(c);if(d.length!=f.length)throw new Sk.builtin.TypeError(e+
+"() takes a "+f.length+"-sequence ("+d.length+"-sequence given)");}Sk.builtin.tuple.call(this,d);this.__class__=Sk.builtin.structseq_types[e]};Sk.builtin.structseq_types[e]=c;goog.inherits(c,Sk.builtin.tuple);d&&(c.prototype.__doc__=d);c.prototype.tp$name=e;c.prototype.ob$type=Sk.builtin.type.makeIntoTypeObj(e,Sk.builtin.structseq_types[e]);c.prototype.ob$type.$d=new Sk.builtin.dict([]);c.prototype.ob$type.$d.mp$ass_subscript(Sk.builtin.type.basesStr_,new Sk.builtin.tuple([Sk.builtin.tuple]));c.prototype.__getitem__=
+new Sk.builtin.func(function(a,b){return Sk.builtin.tuple.prototype.mp$subscript.call(a,b)});c.prototype.__reduce__=new Sk.builtin.func(function(a){throw new Sk.builtin.Exception("__reduce__ is not implemented");});c.prototype.$r=function(){var a,b;if(0===this.v.length)return new Sk.builtin.str(e+"()");b=[];for(a=0;a<this.v.length;++a)b[a]=f[a]+"="+Sk.misceval.objectRepr(this.v[a]).v;a=b.join(", ");1===this.v.length&&(a+=",");return new Sk.builtin.str(e+"("+a+")")};c.prototype.tp$setattr=function(a,
+b){throw new Sk.builtin.AttributeError("readonly property");};c.prototype.tp$getattr=function(a){var b=f.indexOf(a);return 0<=b?this.v[b]:Sk.builtin.object.prototype.GenericGetAttr(a)};return c};goog.exportSymbol("Sk.builtin.make_structseq",Sk.builtin.make_structseq);Sk.builtin.generator=function(a,b,c,d,e){var f;if(a){if(!(this instanceof Sk.builtin.generator))return new Sk.builtin.generator(a,b,c,d,e);this.func_code=a;this.func_globals=b||null;this.gi$running=!1;this.gi$resumeat=0;this.gi$sentvalue=void 0;this.gi$locals={};this.gi$cells={};if(0<c.length)for(b=0;b<a.co_varnames.length;++b)this.gi$locals[a.co_varnames[b]]=c[b];if(void 0!==e)for(f in e)d[f]=e[f];this.func_closure=d;return this}};goog.exportSymbol("Sk.builtin.generator",Sk.builtin.generator);
+Sk.abstr.setUpInheritance("generator",Sk.builtin.generator,Sk.builtin.object);Sk.builtin.generator.prototype.tp$iter=function(){return this};
+Sk.builtin.generator.prototype.tp$iternext=function(a,b){var c,d=this;this.gi$running=!0;void 0===b&&(b=null);this.gi$sentvalue=b;c=[this];this.func_closure&&c.push(this.func_closure);return function f(b){if(b instanceof Sk.misceval.Suspension){if(a)return new Sk.misceval.Suspension(f,b);b=Sk.misceval.retryOptionalSuspensionOrThrow(b)}d.gi$running=!1;goog.asserts.assert(void 0!==b);if(b!==Sk.builtin.none.none$)return d.gi$resumeat=b[0],b=b[1]}(this.func_code.apply(this.func_globals,c))};
+Sk.builtin.generator.prototype.next=new Sk.builtin.func(function(a){return a.tp$iternext(!0)});Sk.builtin.generator.prototype.$r=function(){return new Sk.builtin.str("<generator object "+this.func_code.co_name.v+">")};Sk.builtin.generator.prototype.send=new Sk.builtin.func(function(a,b){return a.tp$iternext(!0,b)});Sk.builtin.makeGenerator=function(a,b){var c,d=new Sk.builtin.generator(null,null,null);d.tp$iternext=a;for(c in b)b.hasOwnProperty(c)&&(d[c]=b[c]);return d};
+goog.exportSymbol("Sk.builtin.makeGenerator",Sk.builtin.makeGenerator);Sk.builtin.file=function(a,b,c){var d;if(!(this instanceof Sk.builtin.file))return new Sk.builtin.file(a,b,c);this.mode=b;this.name=Sk.ffi.remapToJs(a);this.closed=!1;if("/dev/stdout"===this.name)this.data$=Sk.builtin.none.none$,this.fileno=1;else if("/dev/stdin"===this.name)this.fileno=0;else if("/dev/stderr"===this.name)this.fileno=2;else{if(Sk.inBrowser){this.fileno=10;b=document.getElementById(a.v);if(null==b)throw new Sk.builtin.IOError("[Errno 2] No such file or directory: '"+a.v+"'");"textarea"==
+b.nodeName.toLowerCase()?this.data$=b.value:this.data$=b.textContent}else this.fileno=11,this.data$=Sk.read(a.v);this.lineList=this.data$.split("\n");this.lineList=this.lineList.slice(0,-1);for(d in this.lineList)this.lineList[d]+="\n";this.currentLine=0}this.pos$=0;this.__class__=Sk.builtin.file;return this};Sk.abstr.setUpInheritance("file",Sk.builtin.file,Sk.builtin.object);
+Sk.builtin.file.prototype.$r=function(){return new Sk.builtin.str("<"+(this.closed?"closed":"open")+"file '"+this.name+"', mode '"+this.mode+"'>")};Sk.builtin.file.prototype.tp$iter=function(){var a={tp$iter:function(){return a},$obj:this,$index:0,$lines:this.lineList,tp$iternext:function(){return a.$index>=a.$lines.length?void 0:new Sk.builtin.str(a.$lines[a.$index++])}};return a};Sk.builtin.file.prototype.close=new Sk.builtin.func(function(a){a.closed=!0});Sk.builtin.file.prototype.flush=new Sk.builtin.func(function(a){});
+Sk.builtin.file.prototype.fileno=new Sk.builtin.func(function(a){return this.fileno});Sk.builtin.file.prototype.isatty=new Sk.builtin.func(function(a){return!1});Sk.builtin.file.prototype.read=new Sk.builtin.func(function(a,b){var c,d;if(a.closed)throw new Sk.builtin.ValueError("I/O operation on closed file");d=a.data$.length;void 0===b&&(b=d);c=new Sk.builtin.str(a.data$.substr(a.pos$,b));a.pos$+=b;a.pos$>=d&&(a.pos$=d);return c});
+Sk.builtin.file.prototype.readline=new Sk.builtin.func(function(a,b){if(0===a.fileno){var c,d,e;c=c?c.v:"";c=Sk.inputfun(c);return c instanceof Promise?(e=new Sk.misceval.Suspension,e.resume=function(){return new Sk.builtin.str(d)},e.data={type:"Sk.promise",promise:c.then(function(a){return d=a},function(a){d="";return a})},e):new Sk.builtin.str(c)}c="";a.currentLine<a.lineList.length&&(c=a.lineList[a.currentLine],a.currentLine++);return new Sk.builtin.str(c)});
+Sk.builtin.file.prototype.readlines=new Sk.builtin.func(function(a,b){if(0===a.fileno)return new Sk.builtin.NotImplementedError("readlines ins't implemented because the web doesn't support Ctrl+D");var c,d=[];for(c=a.currentLine;c<a.lineList.length;c++)d.push(new Sk.builtin.str(a.lineList[c]));return new Sk.builtin.list(d)});Sk.builtin.file.prototype.seek=new Sk.builtin.func(function(a,b,c){void 0===c&&(c=1);a.pos$=1==c?b:a.data$+b});Sk.builtin.file.prototype.tell=new Sk.builtin.func(function(a){return a.pos$});
+Sk.builtin.file.prototype.truncate=new Sk.builtin.func(function(a,b){goog.asserts.fail()});Sk.builtin.file.prototype.write=new Sk.builtin.func(function(a,b){1===a.fileno?Sk.output(Sk.ffi.remapToJs(b)):goog.asserts.fail()});goog.exportSymbol("Sk.builtin.file",Sk.builtin.file);Sk.ffi=Sk.ffi||{};
+Sk.ffi.remapToPy=function(a){var b,c;if("[object Array]"===Object.prototype.toString.call(a)){c=[];for(b=0;b<a.length;++b)c.push(Sk.ffi.remapToPy(a[b]));return new Sk.builtin.list(c)}if("object"===typeof a){c=[];for(b in a)c.push(Sk.ffi.remapToPy(b)),c.push(Sk.ffi.remapToPy(a[b]));return new Sk.builtin.dict(c)}if("string"===typeof a)return new Sk.builtin.str(a);if("number"===typeof a)return Sk.builtin.assk$(a);if("boolean"===typeof a)return new Sk.builtin.bool(a);goog.asserts.fail("unhandled remap type "+typeof a)};
+goog.exportSymbol("Sk.ffi.remapToPy",Sk.ffi.remapToPy);
+Sk.ffi.remapToJs=function(a){var b,c,d,e;if(a instanceof Sk.builtin.dict){e={};d=a.tp$iter();for(c=d.tp$iternext();void 0!==c;c=d.tp$iternext())b=a.mp$subscript(c),void 0===b&&(b=null),c=Sk.ffi.remapToJs(c),e[c]=Sk.ffi.remapToJs(b);return e}if(a instanceof Sk.builtin.list||a instanceof Sk.builtin.tuple){e=[];for(b=0;b<a.v.length;++b)e.push(Sk.ffi.remapToJs(a.v[b]));return e}return a instanceof Sk.builtin.bool?a.v?!0:!1:a instanceof Sk.builtin.int_?Sk.builtin.asnum$(a):a instanceof Sk.builtin.float_?
+Sk.builtin.asnum$(a):a instanceof Sk.builtin.lng?Sk.builtin.asnum$(a):"number"===typeof a||"boolean"===typeof a?a:a.v};goog.exportSymbol("Sk.ffi.remapToJs",Sk.ffi.remapToJs);Sk.ffi.callback=function(a){return void 0===a?a:function(){return Sk.misceval.apply(a,void 0,void 0,void 0,Array.prototype.slice.call(arguments,0))}};goog.exportSymbol("Sk.ffi.callback",Sk.ffi.callback);Sk.ffi.stdwrap=function(a,b){var c=new a;c.v=b;return c};goog.exportSymbol("Sk.ffi.stdwrap",Sk.ffi.stdwrap);
+Sk.ffi.basicwrap=function(a){if(a instanceof Sk.builtin.int_)return Sk.builtin.asnum$(a);if(a instanceof Sk.builtin.float_)return Sk.builtin.asnum$(a);if(a instanceof Sk.builtin.lng)return Sk.builtin.asnum$(a);if("number"===typeof a||"boolean"===typeof a)return a;if("string"===typeof a)return new Sk.builtin.str(a);goog.asserts.fail("unexpected type for basicwrap")};goog.exportSymbol("Sk.ffi.basicwrap",Sk.ffi.basicwrap);Sk.ffi.unwrapo=function(a){return void 0===a?void 0:a.v};
+goog.exportSymbol("Sk.ffi.unwrapo",Sk.ffi.unwrapo);Sk.ffi.unwrapn=function(a){return null===a?null:a.v};goog.exportSymbol("Sk.ffi.unwrapn",Sk.ffi.unwrapn);Sk.builtin.enumerate=function(a,b){var c;if(!(this instanceof Sk.builtin.enumerate))return new Sk.builtin.enumerate(a,b);Sk.builtin.pyCheckArgs("enumerate",arguments,1,2);if(!Sk.builtin.checkIterable(a))throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(a)+"' object is not iterable");if(void 0!==b)if(Sk.misceval.isIndex(b))b=Sk.misceval.asIndex(b);else throw new Sk.builtin.TypeError("'"+Sk.abstr.typeName(b)+"' object cannot be interpreted as an index");else b=0;c=a.tp$iter();this.tp$iter=function(){return this};
+this.$index=b;this.tp$iternext=function(){var a,b=c.tp$iternext();if(void 0!==b)return a=new Sk.builtin.int_(this.$index++),new Sk.builtin.tuple([a,b])};this.__class__=Sk.builtin.enumerate;return this};Sk.abstr.setUpInheritance("enumerate",Sk.builtin.enumerate,Sk.builtin.object);Sk.builtin.enumerate.prototype.__iter__=new Sk.builtin.func(function(a){return a.tp$iter()});Sk.builtin.enumerate.prototype.next=new Sk.builtin.func(function(a){return a.tp$iternext()});Sk.builtin.enumerate.prototype.$r=function(){return new Sk.builtin.str("<enumerate object>")};Sk.Tokenizer=function(a,b,c){this.filename=a;this.callback=c;this.parenlev=this.lnum=0;this.continued=!1;this.namechars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_";this.numchars="0123456789";this.contstr="";this.needcont=!1;this.contline=void 0;this.indents=[0];this.endprog=/.*/;this.strstart=[-1,-1];this.interactive=b;this.doneFunc=function(){var a;for(a=1;a<this.indents.length;++a)if(this.callback(Sk.Tokenizer.Tokens.T_DEDENT,"",[this.lnum,0],[this.lnum,0],""))return"done";return this.callback(Sk.Tokenizer.Tokens.T_ENDMARKER,
+"",[this.lnum,0],[this.lnum,0],"")?"done":"failed"}};
+Sk.Tokenizer.Tokens={T_ENDMARKER:0,T_NAME:1,T_NUMBER:2,T_STRING:3,T_NEWLINE:4,T_INDENT:5,T_DEDENT:6,T_LPAR:7,T_RPAR:8,T_LSQB:9,T_RSQB:10,T_COLON:11,T_COMMA:12,T_SEMI:13,T_PLUS:14,T_MINUS:15,T_STAR:16,T_SLASH:17,T_VBAR:18,T_AMPER:19,T_LESS:20,T_GREATER:21,T_EQUAL:22,T_DOT:23,T_PERCENT:24,T_BACKQUOTE:25,T_LBRACE:26,T_RBRACE:27,T_EQEQUAL:28,T_NOTEQUAL:29,T_LESSEQUAL:30,T_GREATEREQUAL:31,T_TILDE:32,T_CIRCUMFLEX:33,T_LEFTSHIFT:34,T_RIGHTSHIFT:35,T_DOUBLESTAR:36,T_PLUSEQUAL:37,T_MINEQUAL:38,T_STAREQUAL:39,
+T_SLASHEQUAL:40,T_PERCENTEQUAL:41,T_AMPEREQUAL:42,T_VBAREQUAL:43,T_CIRCUMFLEXEQUAL:44,T_LEFTSHIFTEQUAL:45,T_RIGHTSHIFTEQUAL:46,T_DOUBLESTAREQUAL:47,T_DOUBLESLASH:48,T_DOUBLESLASHEQUAL:49,T_AT:50,T_OP:51,T_COMMENT:52,T_NL:53,T_RARROW:54,T_ERRORTOKEN:55,T_N_TOKENS:56,T_NT_OFFSET:256};function group(a){return"("+Array.prototype.slice.call(arguments).join("|")+")"}function any(a){return group.apply(null,arguments)+"*"}function maybe(a){return group.apply(null,arguments)+"?"}
+var Whitespace="[ \\f\\t]*",Comment_="#[^\\r\\n]*",Ident="[a-zA-Z_]\\w*",Binnumber="0[bB][01]*",Hexnumber="0[xX][\\da-fA-F]*[lL]?",Octnumber="0[oO]?[0-7]*[lL]?",Decnumber="[1-9]\\d*[lL]?",Intnumber=group(Binnumber,Hexnumber,Octnumber,Decnumber),Exponent="[eE][-+]?\\d+",Pointfloat=group("\\d+\\.\\d*","\\.\\d+")+maybe(Exponent),Expfloat="\\d+"+Exponent,Floatnumber=group(Pointfloat,Expfloat),Imagnumber=group("\\d+[jJ]",Floatnumber+"[jJ]"),Number_=group(Imagnumber,Floatnumber,Intnumber),Single="^[^'\\\\]*(?:\\\\.[^'\\\\]*)*'",
+Double_='^[^"\\\\]*(?:\\\\.[^"\\\\]*)*"',Single3="[^'\\\\]*(?:(?:\\\\.|'(?!''))[^'\\\\]*)*'''",Double3='[^"\\\\]*(?:(?:\\\\.|"(?!""))[^"\\\\]*)*"""',Triple=group("[ubUB]?[rR]?'''",'[ubUB]?[rR]?"""'),String_=group("[uU]?[rR]?'[^\\n'\\\\]*(?:\\\\.[^\\n'\\\\]*)*'",'[uU]?[rR]?"[^\\n"\\\\]*(?:\\\\.[^\\n"\\\\]*)*"'),Operator=group("\\*\\*=?",">>=?","<<=?","<>","!=","//=?","->","[+\\-*/%&|^=<>]=?","~"),Bracket="[\\][(){}]",Special=group("\\r?\\n","[:;.,`@]"),Funny=group(Operator,Bracket,Special),ContStr=
+group("[uUbB]?[rR]?'[^\\n'\\\\]*(?:\\\\.[^\\n'\\\\]*)*"+group("'","\\\\\\r?\\n"),'[uUbB]?[rR]?"[^\\n"\\\\]*(?:\\\\.[^\\n"\\\\]*)*'+group('"',"\\\\\\r?\\n")),PseudoExtras=group("\\\\\\r?\\n",Comment_,Triple),PseudoToken="^"+group(PseudoExtras,Number_,Funny,ContStr,Ident),triple_quoted={"'''":!0,'"""':!0,"r'''":!0,'r"""':!0,"R'''":!0,'R"""':!0,"u'''":!0,'u"""':!0,"U'''":!0,'U"""':!0,"b'''":!0,'b"""':!0,"B'''":!0,'B"""':!0,"ur'''":!0,'ur"""':!0,"Ur'''":!0,'Ur"""':!0,"uR'''":!0,'uR"""':!0,"UR'''":!0,
+'UR"""':!0,"br'''":!0,'br"""':!0,"Br'''":!0,'Br"""':!0,"bR'''":!0,'bR"""':!0,"BR'''":!0,'BR"""':!0},single_quoted={"'":!0,'"':!0,"r'":!0,'r"':!0,"R'":!0,'R"':!0,"u'":!0,'u"':!0,"U'":!0,'U"':!0,"b'":!0,'b"':!0,"B'":!0,'B"':!0,"ur'":!0,'ur"':!0,"Ur'":!0,'Ur"':!0,"uR'":!0,'uR"':!0,"UR'":!0,'UR"':!0,"br'":!0,'br"':!0,"Br'":!0,'Br"':!0,"bR'":!0,'bR"':!0,"BR'":!0,'BR"':!0};(function(){for(var a in triple_quoted);for(a in single_quoted);})();var tabsize=8;
+function contains(a,b){for(var c=a.length;c--;)if(a[c]===b)return!0;return!1}function rstrip(a,b){var c;for(c=a.length;0<c&&-1!==b.indexOf(a.charAt(c-1));--c);return a.substring(0,c)}
+Sk.Tokenizer.prototype.generateTokens=function(a){var b,c,d,e,f,g,h,k;b=RegExp(PseudoToken);k=RegExp(Single3,"g");h=RegExp(Double3,"g");var l={"'":RegExp(Single,"g"),'"':RegExp(Double_,"g"),"'''":k,'"""':h,"r'''":k,'r"""':h,"u'''":k,'u"""':h,"b'''":k,'b"""':h,"ur'''":k,'ur"""':h,"br'''":k,'br"""':h,"R'''":k,'R"""':h,"U'''":k,'U"""':h,"B'''":k,'B"""':h,"uR'''":k,'uR"""':h,"Ur'''":k,'Ur"""':h,"UR'''":k,'UR"""':h,"bR'''":k,'bR"""':h,"Br'''":k,'Br"""':h,"BR'''":k,'BR"""':h,r:null,R:null,u:null,U:null,
+b:null,B:null};a||(a="");this.lnum+=1;k=0;h=a.length;if(0<this.contstr.length){if(!a)throw new Sk.builtin.TokenError("EOF in multi-line string",this.filename,this.strstart[0],this.strstart[1],this.contline);this.endprog.lastIndex=0;if(f=this.endprog.test(a)){k=e=this.endprog.lastIndex;if(this.callback(Sk.Tokenizer.Tokens.T_STRING,this.contstr+a.substring(0,e),this.strstart,[this.lnum,e],this.contline+a))return"done";this.contstr="";this.needcont=!1;this.contline=void 0}else{if(this.needcont&&"\\\n"!==
+a.substring(a.length-2)&&"\\\r\n"!==a.substring(a.length-3)){if(this.callback(Sk.Tokenizer.Tokens.T_ERRORTOKEN,this.contstr+a,this.strstart,[this.lnum,a.length],this.contline))return"done";this.contstr="";this.contline=void 0}else this.contstr+=a,this.contline+=a;return!1}}else if(0!==this.parenlev||this.continued){if(!a)throw new Sk.builtin.TokenError("EOF in multi-line statement",this.filename,this.lnum,0,a);this.continued=!1}else{if(!a)return this.doneFunc();for(g=0;k<h;){if(" "===a.charAt(k))g+=
+1;else if("\t"===a.charAt(k))g=(g/tabsize+1)*tabsize;else if("\f"===a.charAt(k))g=0;else break;k+=1}if(k===h)return this.doneFunc();if(-1!=="#\r\n".indexOf(a.charAt(k))){if("#"===a.charAt(k))return h=rstrip(a.substring(k),"\r\n"),b=k+h.length,this.callback(Sk.Tokenizer.Tokens.T_COMMENT,h,[this.lnum,k],[this.lnum,k+h.length],a)||this.callback(Sk.Tokenizer.Tokens.T_NL,a.substring(b),[this.lnum,b],[this.lnum,a.length],a)?"done":!1;if(this.callback(Sk.Tokenizer.Tokens.T_NL,a.substring(k),[this.lnum,k],
+[this.lnum,a.length],a))return"done";if(!this.interactive)return!1}if(g>this.indents[this.indents.length-1]&&(this.indents.push(g),this.callback(Sk.Tokenizer.Tokens.T_INDENT,a.substring(0,k),[this.lnum,0],[this.lnum,k],a)))return"done";for(;g<this.indents[this.indents.length-1];){if(!contains(this.indents,g))throw new Sk.builtin.IndentationError("unindent does not match any outer indentation level",this.filename,this.lnum,k,a);this.indents.splice(this.indents.length-1,1);if(this.callback(Sk.Tokenizer.Tokens.T_DEDENT,
+"",[this.lnum,k],[this.lnum,k],a))return"done"}}for(;k<h;){for(g=a.charAt(k);" "===g||"\f"===g||"\t"===g;)k+=1,g=a.charAt(k);b.lastIndex=0;if(g=b.exec(a.substring(k)))if(c=k,e=c+g[1].length,g=[this.lnum,c],f=[this.lnum,e],k=e,e=a.substring(c,e),d=a.charAt(c),-1!==this.numchars.indexOf(d)||"."===d&&"."!==e){if(this.callback(Sk.Tokenizer.Tokens.T_NUMBER,e,g,f,a))return"done"}else if("\r"===d||"\n"===d){if(c=Sk.Tokenizer.Tokens.T_NEWLINE,0<this.parenlev&&(c=Sk.Tokenizer.Tokens.T_NL),this.callback(c,
+e,g,f,a))return"done"}else if("#"===d){if(this.callback(Sk.Tokenizer.Tokens.T_COMMENT,e,g,f,a))return"done"}else if(triple_quoted.hasOwnProperty(e))if(this.endprog=l[e],this.endprog.lastIndex=0,f=this.endprog.test(a.substring(k))){if(k=this.endprog.lastIndex+k,e=a.substring(c,k),this.callback(Sk.Tokenizer.Tokens.T_STRING,e,g,[this.lnum,k],a))return"done"}else{this.strstart=[this.lnum,c];this.contstr=a.substring(c);this.contline=a;break}else if(single_quoted.hasOwnProperty(d)||single_quoted.hasOwnProperty(e.substring(0,
+2))||single_quoted.hasOwnProperty(e.substring(0,3)))if("\n"===e[e.length-1]){this.strstart=[this.lnum,c];this.endprog=l[d]||l[e[1]]||l[e[2]];this.contstr=a.substring(c);this.needcont=!0;this.contline=a;break}else{if(this.callback(Sk.Tokenizer.Tokens.T_STRING,e,g,f,a))return"done"}else if(-1!==this.namechars.indexOf(d)){if(this.callback(Sk.Tokenizer.Tokens.T_NAME,e,g,f,a))return"done"}else if("\\"===d){if(this.callback(Sk.Tokenizer.Tokens.T_NL,e,g,[this.lnum,k],a))return"done";this.continued=!0}else{if(-1!==
+"([{".indexOf(d)?this.parenlev+=1:-1!==")]}".indexOf(d)&&(this.parenlev-=1),this.callback(Sk.Tokenizer.Tokens.T_OP,e,g,f,a))return"done"}else{if(this.callback(Sk.Tokenizer.Tokens.T_ERRORTOKEN,a.charAt(k),[this.lnum,k],[this.lnum,k+1],a))return"done";k+=1}}return!1};
+Sk.Tokenizer.tokenNames={0:"T_ENDMARKER",1:"T_NAME",2:"T_NUMBER",3:"T_STRING",4:"T_NEWLINE",5:"T_INDENT",6:"T_DEDENT",7:"T_LPAR",8:"T_RPAR",9:"T_LSQB",10:"T_RSQB",11:"T_COLON",12:"T_COMMA",13:"T_SEMI",14:"T_PLUS",15:"T_MINUS",16:"T_STAR",17:"T_SLASH",18:"T_VBAR",19:"T_AMPER",20:"T_LESS",21:"T_GREATER",22:"T_EQUAL",23:"T_DOT",24:"T_PERCENT",25:"T_BACKQUOTE",26:"T_LBRACE",27:"T_RBRACE",28:"T_EQEQUAL",29:"T_NOTEQUAL",30:"T_LESSEQUAL",31:"T_GREATEREQUAL",32:"T_TILDE",33:"T_CIRCUMFLEX",34:"T_LEFTSHIFT",
+35:"T_RIGHTSHIFT",36:"T_DOUBLESTAR",37:"T_PLUSEQUAL",38:"T_MINEQUAL",39:"T_STAREQUAL",40:"T_SLASHEQUAL",41:"T_PERCENTEQUAL",42:"T_AMPEREQUAL",43:"T_VBAREQUAL",44:"T_CIRCUMFLEXEQUAL",45:"T_LEFTSHIFTEQUAL",46:"T_RIGHTSHIFTEQUAL",47:"T_DOUBLESTAREQUAL",48:"T_DOUBLESLASH",49:"T_DOUBLESLASHEQUAL",50:"T_AT",51:"T_OP",52:"T_COMMENT",53:"T_NL",54:"T_RARROW",55:"T_ERRORTOKEN",56:"T_N_TOKENS",256:"T_NT_OFFSET"};goog.exportSymbol("Sk.Tokenizer",Sk.Tokenizer);
+goog.exportSymbol("Sk.Tokenizer.prototype.generateTokens",Sk.Tokenizer.prototype.generateTokens);goog.exportSymbol("Sk.Tokenizer.tokenNames",Sk.Tokenizer.tokenNames);Sk.OpMap={"(":Sk.Tokenizer.Tokens.T_LPAR,")":Sk.Tokenizer.Tokens.T_RPAR,"[":Sk.Tokenizer.Tokens.T_LSQB,"]":Sk.Tokenizer.Tokens.T_RSQB,":":Sk.Tokenizer.Tokens.T_COLON,",":Sk.Tokenizer.Tokens.T_COMMA,";":Sk.Tokenizer.Tokens.T_SEMI,"+":Sk.Tokenizer.Tokens.T_PLUS,"-":Sk.Tokenizer.Tokens.T_MINUS,"*":Sk.Tokenizer.Tokens.T_STAR,"/":Sk.Tokenizer.Tokens.T_SLASH,"|":Sk.Tokenizer.Tokens.T_VBAR,"&":Sk.Tokenizer.Tokens.T_AMPER,"<":Sk.Tokenizer.Tokens.T_LESS,">":Sk.Tokenizer.Tokens.T_GREATER,"=":Sk.Tokenizer.Tokens.T_EQUAL,
+".":Sk.Tokenizer.Tokens.T_DOT,"%":Sk.Tokenizer.Tokens.T_PERCENT,"`":Sk.Tokenizer.Tokens.T_BACKQUOTE,"{":Sk.Tokenizer.Tokens.T_LBRACE,"}":Sk.Tokenizer.Tokens.T_RBRACE,"@":Sk.Tokenizer.Tokens.T_AT,"==":Sk.Tokenizer.Tokens.T_EQEQUAL,"!=":Sk.Tokenizer.Tokens.T_NOTEQUAL,"<>":Sk.Tokenizer.Tokens.T_NOTEQUAL,"<=":Sk.Tokenizer.Tokens.T_LESSEQUAL,">=":Sk.Tokenizer.Tokens.T_GREATEREQUAL,"~":Sk.Tokenizer.Tokens.T_TILDE,"^":Sk.Tokenizer.Tokens.T_CIRCUMFLEX,"<<":Sk.Tokenizer.Tokens.T_LEFTSHIFT,">>":Sk.Tokenizer.Tokens.T_RIGHTSHIFT,
+"**":Sk.Tokenizer.Tokens.T_DOUBLESTAR,"+=":Sk.Tokenizer.Tokens.T_PLUSEQUAL,"-=":Sk.Tokenizer.Tokens.T_MINEQUAL,"*=":Sk.Tokenizer.Tokens.T_STAREQUAL,"/=":Sk.Tokenizer.Tokens.T_SLASHEQUAL,"%=":Sk.Tokenizer.Tokens.T_PERCENTEQUAL,"&=":Sk.Tokenizer.Tokens.T_AMPEREQUAL,"|=":Sk.Tokenizer.Tokens.T_VBAREQUAL,"^=":Sk.Tokenizer.Tokens.T_CIRCUMFLEXEQUAL,"<<=":Sk.Tokenizer.Tokens.T_LEFTSHIFTEQUAL,">>=":Sk.Tokenizer.Tokens.T_RIGHTSHIFTEQUAL,"**=":Sk.Tokenizer.Tokens.T_DOUBLESTAREQUAL,"//":Sk.Tokenizer.Tokens.T_DOUBLESLASH,
+"//=":Sk.Tokenizer.Tokens.T_DOUBLESLASHEQUAL,"->":Sk.Tokenizer.Tokens.T_RARROW};
+Sk.ParseTables={sym:{and_expr:257,and_test:258,arglist:259,argument:260,arith_expr:261,assert_stmt:262,atom:263,augassign:264,break_stmt:265,classdef:266,comp_for:267,comp_if:268,comp_iter:269,comp_op:270,comparison:271,compound_stmt:272,continue_stmt:273,debugger_stmt:274,decorated:275,decorator:276,decorators:277,del_stmt:278,dictorsetmaker:279,dotted_as_name:280,dotted_as_names:281,dotted_name:282,encoding_decl:283,eval_input:284,except_clause:285,exec_stmt:286,expr:287,expr_stmt:288,exprlist:289,
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+function List(a,b,c,d){goog.asserts.assert(null!==b&&void 0!==b);this.elts=a;this.ctx=b;this.lineno=c;this.col_offset=d;return this}function Tuple(a,b,c,d){goog.asserts.assert(null!==b&&void 0!==b);this.elts=a;this.ctx=b;this.lineno=c;this.col_offset=d;return this}function Ellipsis(){return this}function Slice(a,b,c){this.lower=a;this.upper=b;this.step=c;return this}function ExtSlice(a){this.dims=a;return this}function Index(a){goog.asserts.assert(null!==a&&void 0!==a);this.value=a;return this}
+function comprehension(a,b,c){goog.asserts.assert(null!==a&&void 0!==a);goog.asserts.assert(null!==b&&void 0!==b);this.target=a;this.iter=b;this.ifs=c;return this}function ExceptHandler(a,b,c,d,e){this.type=a;this.name=b;this.body=c;this.lineno=d;this.col_offset=e;return this}function arguments_(a,b,c,d){this.args=a;this.vararg=b;this.kwarg=c;this.defaults=d;return this}
+function keyword(a,b){goog.asserts.assert(null!==a&&void 0!==a);goog.asserts.assert(null!==b&&void 0!==b);this.arg=a;this.value=b;return this}function alias(a,b){goog.asserts.assert(null!==a&&void 0!==a);this.name=a;this.asname=b;return this}Module.prototype._astname="Module";Module.prototype._fields=["body",function(a){return a.body}];Interactive.prototype._astname="Interactive";Interactive.prototype._fields=["body",function(a){return a.body}];Expression.prototype._astname="Expression";
+Expression.prototype._fields=["body",function(a){return a.body}];Suite.prototype._astname="Suite";Suite.prototype._fields=["body",function(a){return a.body}];FunctionDef.prototype._astname="FunctionDef";FunctionDef.prototype._fields=["name",function(a){return a.name},"args",function(a){return a.args},"body",function(a){return a.body},"decorator_list",function(a){return a.decorator_list}];ClassDef.prototype._astname="ClassDef";
+ClassDef.prototype._fields=["name",function(a){return a.name},"bases",function(a){return a.bases},"body",function(a){return a.body},"decorator_list",function(a){return a.decorator_list}];Return_.prototype._astname="Return";Return_.prototype._fields=["value",function(a){return a.value}];Delete_.prototype._astname="Delete";Delete_.prototype._fields=["targets",function(a){return a.targets}];Assign.prototype._astname="Assign";Assign.prototype._fields=["targets",function(a){return a.targets},"value",function(a){return a.value}];
+AugAssign.prototype._astname="AugAssign";AugAssign.prototype._fields=["target",function(a){return a.target},"op",function(a){return a.op},"value",function(a){return a.value}];Print.prototype._astname="Print";Print.prototype._fields=["dest",function(a){return a.dest},"values",function(a){return a.values},"nl",function(a){return a.nl}];For_.prototype._astname="For";
+For_.prototype._fields=["target",function(a){return a.target},"iter",function(a){return a.iter},"body",function(a){return a.body},"orelse",function(a){return a.orelse}];While_.prototype._astname="While";While_.prototype._fields=["test",function(a){return a.test},"body",function(a){return a.body},"orelse",function(a){return a.orelse}];If_.prototype._astname="If";If_.prototype._fields=["test",function(a){return a.test},"body",function(a){return a.body},"orelse",function(a){return a.orelse}];
+With_.prototype._astname="With";With_.prototype._fields=["context_expr",function(a){return a.context_expr},"optional_vars",function(a){return a.optional_vars},"body",function(a){return a.body}];Raise.prototype._astname="Raise";Raise.prototype._fields=["type",function(a){return a.type},"inst",function(a){return a.inst},"tback",function(a){return a.tback}];TryExcept.prototype._astname="TryExcept";
+TryExcept.prototype._fields=["body",function(a){return a.body},"handlers",function(a){return a.handlers},"orelse",function(a){return a.orelse}];TryFinally.prototype._astname="TryFinally";TryFinally.prototype._fields=["body",function(a){return a.body},"finalbody",function(a){return a.finalbody}];Assert.prototype._astname="Assert";Assert.prototype._fields=["test",function(a){return a.test},"msg",function(a){return a.msg}];Import_.prototype._astname="Import";Import_.prototype._fields=["names",function(a){return a.names}];
+ImportFrom.prototype._astname="ImportFrom";ImportFrom.prototype._fields=["module",function(a){return a.module},"names",function(a){return a.names},"level",function(a){return a.level}];Exec.prototype._astname="Exec";Exec.prototype._fields=["body",function(a){return a.body},"globals",function(a){return a.globals},"locals",function(a){return a.locals}];Global.prototype._astname="Global";Global.prototype._fields=["names",function(a){return a.names}];Expr.prototype._astname="Expr";
+Expr.prototype._fields=["value",function(a){return a.value}];Pass.prototype._astname="Pass";Pass.prototype._fields=[];Break_.prototype._astname="Break";Break_.prototype._fields=[];Continue_.prototype._astname="Continue";Continue_.prototype._fields=[];Debugger_.prototype._astname="Debugger";Debugger_.prototype._fields=[];BoolOp.prototype._astname="BoolOp";BoolOp.prototype._fields=["op",function(a){return a.op},"values",function(a){return a.values}];BinOp.prototype._astname="BinOp";
+BinOp.prototype._fields=["left",function(a){return a.left},"op",function(a){return a.op},"right",function(a){return a.right}];UnaryOp.prototype._astname="UnaryOp";UnaryOp.prototype._fields=["op",function(a){return a.op},"operand",function(a){return a.operand}];Lambda.prototype._astname="Lambda";Lambda.prototype._fields=["args",function(a){return a.args},"body",function(a){return a.body}];IfExp.prototype._astname="IfExp";
+IfExp.prototype._fields=["test",function(a){return a.test},"body",function(a){return a.body},"orelse",function(a){return a.orelse}];Dict.prototype._astname="Dict";Dict.prototype._fields=["keys",function(a){return a.keys},"values",function(a){return a.values}];Set.prototype._astname="Set";Set.prototype._fields=["elts",function(a){return a.elts}];ListComp.prototype._astname="ListComp";ListComp.prototype._fields=["elt",function(a){return a.elt},"generators",function(a){return a.generators}];
+SetComp.prototype._astname="SetComp";SetComp.prototype._fields=["elt",function(a){return a.elt},"generators",function(a){return a.generators}];DictComp.prototype._astname="DictComp";DictComp.prototype._fields=["key",function(a){return a.key},"value",function(a){return a.value},"generators",function(a){return a.generators}];GeneratorExp.prototype._astname="GeneratorExp";GeneratorExp.prototype._fields=["elt",function(a){return a.elt},"generators",function(a){return a.generators}];
+Yield.prototype._astname="Yield";Yield.prototype._fields=["value",function(a){return a.value}];Compare.prototype._astname="Compare";Compare.prototype._fields=["left",function(a){return a.left},"ops",function(a){return a.ops},"comparators",function(a){return a.comparators}];Call.prototype._astname="Call";Call.prototype._fields=["func",function(a){return a.func},"args",function(a){return a.args},"keywords",function(a){return a.keywords},"starargs",function(a){return a.starargs},"kwargs",function(a){return a.kwargs}];
+Repr.prototype._astname="Repr";Repr.prototype._fields=["value",function(a){return a.value}];Num.prototype._astname="Num";Num.prototype._fields=["n",function(a){return a.n}];Str.prototype._astname="Str";Str.prototype._fields=["s",function(a){return a.s}];Attribute.prototype._astname="Attribute";Attribute.prototype._fields=["value",function(a){return a.value},"attr",function(a){return a.attr},"ctx",function(a){return a.ctx}];Subscript.prototype._astname="Subscript";
+Subscript.prototype._fields=["value",function(a){return a.value},"slice",function(a){return a.slice},"ctx",function(a){return a.ctx}];Name.prototype._astname="Name";Name.prototype._fields=["id",function(a){return a.id},"ctx",function(a){return a.ctx}];List.prototype._astname="List";List.prototype._fields=["elts",function(a){return a.elts},"ctx",function(a){return a.ctx}];Tuple.prototype._astname="Tuple";Tuple.prototype._fields=["elts",function(a){return a.elts},"ctx",function(a){return a.ctx}];
+Load.prototype._astname="Load";Load.prototype._isenum=!0;Store.prototype._astname="Store";Store.prototype._isenum=!0;Del.prototype._astname="Del";Del.prototype._isenum=!0;AugLoad.prototype._astname="AugLoad";AugLoad.prototype._isenum=!0;AugStore.prototype._astname="AugStore";AugStore.prototype._isenum=!0;Param.prototype._astname="Param";Param.prototype._isenum=!0;Ellipsis.prototype._astname="Ellipsis";Ellipsis.prototype._fields=[];Slice.prototype._astname="Slice";
+Slice.prototype._fields=["lower",function(a){return a.lower},"upper",function(a){return a.upper},"step",function(a){return a.step}];ExtSlice.prototype._astname="ExtSlice";ExtSlice.prototype._fields=["dims",function(a){return a.dims}];Index.prototype._astname="Index";Index.prototype._fields=["value",function(a){return a.value}];And.prototype._astname="And";And.prototype._isenum=!0;Or.prototype._astname="Or";Or.prototype._isenum=!0;Add.prototype._astname="Add";Add.prototype._isenum=!0;
+Sub.prototype._astname="Sub";Sub.prototype._isenum=!0;Mult.prototype._astname="Mult";Mult.prototype._isenum=!0;Div.prototype._astname="Div";Div.prototype._isenum=!0;Mod.prototype._astname="Mod";Mod.prototype._isenum=!0;Pow.prototype._astname="Pow";Pow.prototype._isenum=!0;LShift.prototype._astname="LShift";LShift.prototype._isenum=!0;RShift.prototype._astname="RShift";RShift.prototype._isenum=!0;BitOr.prototype._astname="BitOr";BitOr.prototype._isenum=!0;BitXor.prototype._astname="BitXor";
+BitXor.prototype._isenum=!0;BitAnd.prototype._astname="BitAnd";BitAnd.prototype._isenum=!0;FloorDiv.prototype._astname="FloorDiv";FloorDiv.prototype._isenum=!0;Invert.prototype._astname="Invert";Invert.prototype._isenum=!0;Not.prototype._astname="Not";Not.prototype._isenum=!0;UAdd.prototype._astname="UAdd";UAdd.prototype._isenum=!0;USub.prototype._astname="USub";USub.prototype._isenum=!0;Eq.prototype._astname="Eq";Eq.prototype._isenum=!0;NotEq.prototype._astname="NotEq";NotEq.prototype._isenum=!0;
+Lt.prototype._astname="Lt";Lt.prototype._isenum=!0;LtE.prototype._astname="LtE";LtE.prototype._isenum=!0;Gt.prototype._astname="Gt";Gt.prototype._isenum=!0;GtE.prototype._astname="GtE";GtE.prototype._isenum=!0;Is.prototype._astname="Is";Is.prototype._isenum=!0;IsNot.prototype._astname="IsNot";IsNot.prototype._isenum=!0;In_.prototype._astname="In";In_.prototype._isenum=!0;NotIn.prototype._astname="NotIn";NotIn.prototype._isenum=!0;comprehension.prototype._astname="comprehension";
+comprehension.prototype._fields=["target",function(a){return a.target},"iter",function(a){return a.iter},"ifs",function(a){return a.ifs}];ExceptHandler.prototype._astname="ExceptHandler";ExceptHandler.prototype._fields=["type",function(a){return a.type},"name",function(a){return a.name},"body",function(a){return a.body}];arguments_.prototype._astname="arguments";
+arguments_.prototype._fields=["args",function(a){return a.args},"vararg",function(a){return a.vararg},"kwarg",function(a){return a.kwarg},"defaults",function(a){return a.defaults}];keyword.prototype._astname="keyword";keyword.prototype._fields=["arg",function(a){return a.arg},"value",function(a){return a.value}];alias.prototype._astname="alias";alias.prototype._fields=["name",function(a){return a.name},"asname",function(a){return a.asname}];var SYM=Sk.ParseTables.sym,TOK=Sk.Tokenizer.Tokens,COMP_GENEXP=0,COMP_SETCOMP=1;function Compiling(a,b,c){this.c_encoding=a;this.c_filename=b;this.c_flags=c||0}function NCH(a){goog.asserts.assert(void 0!==a);return null===a.children?0:a.children.length}function CHILD(a,b){goog.asserts.assert(void 0!==a);goog.asserts.assert(void 0!==b);return a.children[b]}function REQ(a,b){goog.asserts.assert(a.type===b,"node wasn't expected type")}
+function strobj(a){goog.asserts.assert("string"===typeof a,"expecting string, got "+typeof a);return new Sk.builtin.str(a)}
+function numStmts(a){var b,c,d;switch(a.type){case SYM.single_input:if(CHILD(a,0).type===TOK.T_NEWLINE)break;else return numStmts(CHILD(a,0));case SYM.file_input:for(c=d=0;c<NCH(a);++c)b=CHILD(a,c),b.type===SYM.stmt&&(d+=numStmts(b));return d;case SYM.stmt:return numStmts(CHILD(a,0));case SYM.compound_stmt:return 1;case SYM.simple_stmt:return Math.floor(NCH(a)/2);case SYM.suite:if(1===NCH(a))return numStmts(CHILD(a,0));d=0;for(c=2;c<NCH(a)-1;++c)d+=numStmts(CHILD(a,c));return d;default:goog.asserts.fail("Non-statement found")}return 0}
+function forbiddenCheck(a,b,c,d){if("None"===c)throw new Sk.builtin.SyntaxError("assignment to None",a.c_filename,d);if("True"===c||"False"===c)throw new Sk.builtin.SyntaxError("assignment to True or False is forbidden",a.c_filename,d);}
+function setContext(a,b,c,d){var e,f;goog.asserts.assert(c!==AugStore&&c!==AugLoad);e=f=null;switch(b.constructor){case Attribute:case Name:c===Store&&forbiddenCheck(a,d,b.attr,d.lineno);b.ctx=c;break;case Subscript:b.ctx=c;break;case List:b.ctx=c;f=b.elts;break;case Tuple:if(0===b.elts.length)throw new Sk.builtin.SyntaxError("can't assign to ()",a.c_filename,d.lineno);b.ctx=c;f=b.elts;break;case Lambda:e="lambda";break;case Call:e="function call";break;case BoolOp:case BinOp:case UnaryOp:e="operator";
+break;case GeneratorExp:e="generator expression";break;case Yield:e="yield expression";break;case ListComp:e="list comprehension";break;case SetComp:e="set comprehension";break;case DictComp:e="dict comprehension";break;case Dict:case Set:case Num:case Str:e="literal";break;case Compare:e="comparison";break;case Repr:e="repr";break;case IfExp:e="conditional expression";break;default:goog.asserts.fail("unhandled expression in assignment")}if(e)throw new Sk.builtin.SyntaxError("can't "+(c===Store?"assign to":
+"delete")+" "+e,a.c_filename,d.lineno);if(f)for(b=0;b<f.length;++b)setContext(a,f[b],c,d)}var operatorMap={};(function(){operatorMap[TOK.T_VBAR]=BitOr;operatorMap[TOK.T_CIRCUMFLEX]=BitXor;operatorMap[TOK.T_AMPER]=BitAnd;operatorMap[TOK.T_LEFTSHIFT]=LShift;operatorMap[TOK.T_RIGHTSHIFT]=RShift;operatorMap[TOK.T_PLUS]=Add;operatorMap[TOK.T_MINUS]=Sub;operatorMap[TOK.T_STAR]=Mult;operatorMap[TOK.T_SLASH]=Div;operatorMap[TOK.T_DOUBLESLASH]=FloorDiv;operatorMap[TOK.T_PERCENT]=Mod})();
+function getOperator(a){goog.asserts.assert(void 0!==operatorMap[a.type]);return operatorMap[a.type]}
+function astForCompOp(a,b){REQ(b,SYM.comp_op);if(1===NCH(b))switch(b=CHILD(b,0),b.type){case TOK.T_LESS:return Lt;case TOK.T_GREATER:return Gt;case TOK.T_EQEQUAL:return Eq;case TOK.T_LESSEQUAL:return LtE;case TOK.T_GREATEREQUAL:return GtE;case TOK.T_NOTEQUAL:return NotEq;case TOK.T_NAME:if("in"===b.value)return In_;if("is"===b.value)return Is}else if(2===NCH(b)&&CHILD(b,0).type===TOK.T_NAME){if("in"===CHILD(b,1).value)return NotIn;if("is"===CHILD(b,0).value)return IsNot}goog.asserts.fail("invalid comp_op")}
+function seqForTestlist(a,b){var c,d=[];goog.asserts.assert(b.type===SYM.testlist||b.type===SYM.listmaker||b.type===SYM.testlist_comp||b.type===SYM.testlist_safe||b.type===SYM.testlist1);for(c=0;c<NCH(b);c+=2)goog.asserts.assert(CHILD(b,c).type===SYM.test||CHILD(b,c).type===SYM.old_test),d[c/2]=astForExpr(a,CHILD(b,c));return d}
+function astForSuite(a,b){var c,d,e,f,g;REQ(b,SYM.suite);g=[];f=0;if(CHILD(b,0).type===SYM.simple_stmt)for(b=CHILD(b,0),e=NCH(b)-1,CHILD(b,e-1).type===TOK.T_SEMI&&(e-=1),d=0;d<e;d+=2)g[f++]=astForStmt(a,CHILD(b,d));else for(d=2;d<NCH(b)-1;++d)if(e=CHILD(b,d),REQ(e,SYM.stmt),c=numStmts(e),1===c)g[f++]=astForStmt(a,e);else for(e=CHILD(e,0),REQ(e,SYM.simple_stmt),c=0;c<NCH(e);c+=2){if(0===NCH(CHILD(e,c))){goog.asserts.assert(c+1===NCH(e));break}g[f++]=astForStmt(a,CHILD(e,c))}goog.asserts.assert(f===
+numStmts(b));return g}
+function astForExceptClause(a,b,c){var d;REQ(b,SYM.except_clause);REQ(c,SYM.suite);if(1===NCH(b))return new ExceptHandler(null,null,astForSuite(a,c),b.lineno,b.col_offset);if(2===NCH(b))return new ExceptHandler(astForExpr(a,CHILD(b,1)),null,astForSuite(a,c),b.lineno,b.col_offset);if(4===NCH(b))return d=astForExpr(a,CHILD(b,3)),setContext(a,d,Store,CHILD(b,3)),new ExceptHandler(astForExpr(a,CHILD(b,1)),d,astForSuite(a,c),b.lineno,b.col_offset);goog.asserts.fail("wrong number of children for except clause")}
+function astForTryStmt(a,b){var c,d,e;d=NCH(b);c=(d-3)/3;var f,g=[],h=null;REQ(b,SYM.try_stmt);f=astForSuite(a,CHILD(b,2));if(CHILD(b,d-3).type===TOK.T_NAME)"finally"===CHILD(b,d-3).value?(9<=d&&CHILD(b,d-6).type===TOK.T_NAME&&(g=astForSuite(a,CHILD(b,d-4)),c--),h=astForSuite(a,CHILD(b,d-1))):g=astForSuite(a,CHILD(b,d-1)),c--;else if(CHILD(b,d-3).type!==SYM.except_clause)throw new Sk.builtin.SyntaxError("malformed 'try' statement",a.c_filename,b.lineno);if(0<c){e=[];for(d=0;d<c;++d)e[d]=astForExceptClause(a,
+CHILD(b,3+3*d),CHILD(b,5+3*d));c=new TryExcept(f,e,g,b.lineno,b.col_offset);if(!h)return c;f=[c]}goog.asserts.assert(null!==h);return new TryFinally(f,h,b.lineno,b.col_offset)}function astForDottedName(a,b){var c,d,e,f,g;REQ(b,SYM.dotted_name);g=b.lineno;f=b.col_offset;e=strobj(CHILD(b,0).value);d=new Name(e,Load,g,f);for(c=2;c<NCH(b);c+=2)e=strobj(CHILD(b,c).value),d=new Attribute(d,e,Load,g,f);return d}
+function astForDecorator(a,b){var c;REQ(b,SYM.decorator);REQ(CHILD(b,0),TOK.T_AT);REQ(CHILD(b,NCH(b)-1),TOK.T_NEWLINE);c=astForDottedName(a,CHILD(b,1));return 3===NCH(b)?c:5===NCH(b)?new Call(c,[],[],null,null,b.lineno,b.col_offset):astForCall(a,CHILD(b,3),c)}function astForDecorators(a,b){var c,d;REQ(b,SYM.decorators);d=[];for(c=0;c<NCH(b);++c)d[c]=astForDecorator(a,CHILD(b,c));return d}
+function astForDecorated(a,b){var c,d;REQ(b,SYM.decorated);d=astForDecorators(a,CHILD(b,0));goog.asserts.assert(CHILD(b,1).type===SYM.funcdef||CHILD(b,1).type===SYM.classdef);c=null;CHILD(b,1).type===SYM.funcdef?c=astForFuncdef(a,CHILD(b,1),d):CHILD(b,1)===SYM.classdef&&(c=astForClassdef(a,CHILD(b,1),d));c&&(c.lineno=b.lineno,c.col_offset=b.col_offset);return c}function astForWithVar(a,b){REQ(b,SYM.with_item);return astForExpr(a,CHILD(b,1))}
+function astForWithStmt(a,b){var c,d,e=3;goog.asserts.assert(b.type===SYM.with_stmt);d=astForExpr(a,CHILD(b,1));CHILD(b,2).type===SYM.with_item&&(c=astForWithVar(a,CHILD(b,2)),setContext(a,c,Store,b),e=4);return new With_(d,c,astForSuite(a,CHILD(b,e)),b.lineno,b.col_offset)}
+function astForExecStmt(a,b){var c,d=null,e=null,f=NCH(b);goog.asserts.assert(2===f||4===f||6===f);REQ(b,SYM.exec_stmt);c=astForExpr(a,CHILD(b,1));4<=f&&(d=astForExpr(a,CHILD(b,3)));6===f&&(e=astForExpr(a,CHILD(b,5)));return new Exec(c,d,e,b.lineno,b.col_offset)}
+function astForIfStmt(a,b){var c,d,e,f;REQ(b,SYM.if_stmt);if(4===NCH(b))return new If_(astForExpr(a,CHILD(b,1)),astForSuite(a,CHILD(b,3)),[],b.lineno,b.col_offset);e=CHILD(b,4).value.charAt(2);if("s"===e)return new If_(astForExpr(a,CHILD(b,1)),astForSuite(a,CHILD(b,3)),astForSuite(a,CHILD(b,6)),b.lineno,b.col_offset);if("i"===e){f=NCH(b)-4;c=!1;e=[];CHILD(b,f+1).type===TOK.T_NAME&&"s"===CHILD(b,f+1).value.charAt(2)&&(c=!0,f-=3);f/=4;c&&(e=[new If_(astForExpr(a,CHILD(b,NCH(b)-6)),astForSuite(a,CHILD(b,
+NCH(b)-4)),astForSuite(a,CHILD(b,NCH(b)-1)),CHILD(b,NCH(b)-6).lineno,CHILD(b,NCH(b)-6).col_offset)],f--);for(d=0;d<f;++d)c=5+4*(f-d-1),e=[new If_(astForExpr(a,CHILD(b,c)),astForSuite(a,CHILD(b,c+2)),e,CHILD(b,c).lineno,CHILD(b,c).col_offset)];return new If_(astForExpr(a,CHILD(b,1)),astForSuite(a,CHILD(b,3)),e,b.lineno,b.col_offset)}goog.asserts.fail("unexpected token in 'if' statement")}
+function astForExprlist(a,b,c){var d,e,f;REQ(b,SYM.exprlist);f=[];for(e=0;e<NCH(b);e+=2)d=astForExpr(a,CHILD(b,e)),f[e/2]=d,c&&setContext(a,d,c,CHILD(b,e));return f}function astForDelStmt(a,b){REQ(b,SYM.del_stmt);return new Delete_(astForExprlist(a,CHILD(b,1),Del),b.lineno,b.col_offset)}function astForGlobalStmt(a,b){var c,d=[];REQ(b,SYM.global_stmt);for(c=1;c<NCH(b);c+=2)d[(c-1)/2]=strobj(CHILD(b,c).value);return new Global(d,b.lineno,b.col_offset)}
+function astForAssertStmt(a,b){REQ(b,SYM.assert_stmt);if(2===NCH(b))return new Assert(astForExpr(a,CHILD(b,1)),null,b.lineno,b.col_offset);if(4===NCH(b))return new Assert(astForExpr(a,CHILD(b,1)),astForExpr(a,CHILD(b,3)),b.lineno,b.col_offset);goog.asserts.fail("improper number of parts to assert stmt")}
+function aliasForImportName(a,b){var c,d;a:for(;;)switch(b.type){case SYM.import_as_name:return d=null,c=strobj(CHILD(b,0).value),3===NCH(b)&&(d=CHILD(b,2).value),new alias(c,null==d?null:strobj(d));case SYM.dotted_as_name:if(1===NCH(b)){b=CHILD(b,0);continue a}else return d=aliasForImportName(a,CHILD(b,0)),goog.asserts.assert(!d.asname),d.asname=strobj(CHILD(b,2).value),d;case SYM.dotted_name:if(1===NCH(b))return new alias(strobj(CHILD(b,0).value),null);d="";for(c=0;c<NCH(b);c+=2)d+=CHILD(b,c).value+
+".";return new alias(strobj(d.substr(0,d.length-1)),null);case TOK.T_STAR:return new alias(strobj("*"),null);default:throw new Sk.builtin.SyntaxError("unexpected import name",a.c_filename,b.lineno);}}
+function astForImportStmt(a,b){var c,d,e,f,g,h;REQ(b,SYM.import_stmt);h=b.lineno;g=b.col_offset;b=CHILD(b,0);if(b.type===SYM.import_name){b=CHILD(b,1);REQ(b,SYM.dotted_as_names);d=[];for(f=0;f<NCH(b);f+=2)d[f/2]=aliasForImportName(a,CHILD(b,f));return new Import_(d,h,g)}if(b.type===SYM.import_from){c=null;e=0;for(d=1;d<NCH(b);++d){if(CHILD(b,d).type===SYM.dotted_name){c=aliasForImportName(a,CHILD(b,d));d++;break}else if(CHILD(b,d).type!==TOK.T_DOT)break;e++}++d;switch(CHILD(b,d).type){case TOK.T_STAR:b=
+CHILD(b,d);break;case TOK.T_LPAR:b=CHILD(b,d+1);NCH(b);break;case SYM.import_as_names:b=CHILD(b,d);d=NCH(b);if(0===d%2)throw new Sk.builtin.SyntaxError("trailing comma not allowed without surrounding parentheses",a.c_filename,b.lineno);break;default:throw new Sk.builtin.SyntaxError("Unexpected node-type in from-import",a.c_filename,b.lineno);}d=[];if(b.type===TOK.T_STAR)d[0]=aliasForImportName(a,b);else for(f=0;f<NCH(b);f+=2)d[f/2]=aliasForImportName(a,CHILD(b,f));c=c?c.name.v:"";return new ImportFrom(strobj(c),
+d,e,h,g)}throw new Sk.builtin.SyntaxError("unknown import statement",a.c_filename,b.lineno);}function astForTestlistComp(a,b){goog.asserts.assert(b.type===SYM.testlist_comp||b.type===SYM.argument);return 1<NCH(b)&&CHILD(b,1).type===SYM.comp_for?astForGenExpr(a,b):astForTestlist(a,b)}
+function astForListcomp(a,b){function c(a,b){for(var c=0;;){REQ(b,SYM.list_iter);if(CHILD(b,0).type===SYM.list_for)return c;b=CHILD(b,0);REQ(b,SYM.list_if);c++;if(2==NCH(b))return c;b=CHILD(b,2)}}var d,e,f,g,h,k,l,m,p;REQ(b,SYM.listmaker);goog.asserts.assert(1<NCH(b));p=astForExpr(a,CHILD(b,0));m=function(a,b){var c=0,d=CHILD(b,1);a:for(;;){c++;REQ(d,SYM.list_for);if(5===NCH(d))d=CHILD(d,4);else return c;b:for(;;){REQ(d,SYM.list_iter);d=CHILD(d,0);if(d.type===SYM.list_for)continue a;else if(d.type===
+SYM.list_if)if(3===NCH(d)){d=CHILD(d,2);continue b}else return c;break}break}}(a,b);l=[];k=CHILD(b,1);for(h=0;h<m;++h){REQ(k,SYM.list_for);f=CHILD(k,1);e=astForExprlist(a,f,Store);d=astForTestlist(a,CHILD(k,3));g=1===NCH(f)?new comprehension(e[0],d,[]):new comprehension(new Tuple(e,Store,k.lineno,k.col_offset),d,[]);if(5===NCH(k)){k=CHILD(k,4);f=c(a,k);e=[];for(d=0;d<f;++d)REQ(k,SYM.list_iter),k=CHILD(k,0),REQ(k,SYM.list_if),e[d]=astForExpr(a,CHILD(k,1)),3===NCH(k)&&(k=CHILD(k,2));k.type===SYM.list_iter&&
+(k=CHILD(k,0));g.ifs=e}l[h]=g}return new ListComp(p,l,b.lineno,b.col_offset)}
+function astForFactor(a,b){var c,d;if(CHILD(b,0).type===TOK.T_MINUS&&2===NCH(b)&&(c=CHILD(b,1),c.type===SYM.factor&&1===NCH(c)&&(c=CHILD(c,0),c.type===SYM.power&&1===NCH(c)&&(d=CHILD(c,0),d.type===SYM.atom&&(c=CHILD(d,0),c.type===TOK.T_NUMBER)))))return c.value="-"+c.value,astForAtom(a,d);c=astForExpr(a,CHILD(b,1));switch(CHILD(b,0).type){case TOK.T_PLUS:return new UnaryOp(UAdd,c,b.lineno,b.col_offset);case TOK.T_MINUS:return new UnaryOp(USub,c,b.lineno,b.col_offset);case TOK.T_TILDE:return new UnaryOp(Invert,
+c,b.lineno,b.col_offset)}goog.asserts.fail("unhandled factor")}function astForForStmt(a,b){var c,d,e=[];REQ(b,SYM.for_stmt);9===NCH(b)&&(e=astForSuite(a,CHILD(b,8)));d=CHILD(b,1);c=astForExprlist(a,d,Store);c=1===NCH(d)?c[0]:new Tuple(c,Store,b.lineno,b.col_offset);return new For_(c,astForTestlist(a,CHILD(b,3)),astForSuite(a,CHILD(b,5)),e,b.lineno,b.col_offset)}
+function astForCall(a,b,c){var d,e,f,g,h,k,l,m,p,n,r;REQ(b,SYM.arglist);for(p=g=n=r=0;p<NCH(b);p++)m=CHILD(b,p),m.type===SYM.argument&&(1===NCH(m)?r++:CHILD(m,1).type===SYM.comp_for?g++:n++);if(1<g||g&&(r||n))throw new Sk.builtin.SyntaxError("Generator expression must be parenthesized if not sole argument",a.c_filename,b.lineno);if(255<r+n+g)throw new Sk.builtin.SyntaxError("more than 255 arguments",a.c_filename,b.lineno);l=[];k=[];n=r=0;g=h=null;for(p=0;p<NCH(b);p++)if(m=CHILD(b,p),m.type===SYM.argument)if(1===
+NCH(m)){if(n)throw new Sk.builtin.SyntaxError("non-keyword arg after keyword arg",a.c_filename,b.lineno);if(h)throw new Sk.builtin.SyntaxError("only named arguments may follow *expression",a.c_filename,b.lineno);l[r++]=astForExpr(a,CHILD(m,0))}else if(CHILD(m,1).type===SYM.comp_for)l[r++]=astForGenExpr(a,m);else{d=astForExpr(a,CHILD(m,0));if(d.constructor===Lambda)throw new Sk.builtin.SyntaxError("lambda cannot contain assignment",a.c_filename,b.lineno);if(d.constructor!==Name)throw new Sk.builtin.SyntaxError("keyword can't be an expression",
+a.c_filename,b.lineno);f=d.id;forbiddenCheck(a,CHILD(m,0),f,b.lineno);for(e=0;e<n;++e)if(d=k[e].arg,d===f)throw new Sk.builtin.SyntaxError("keyword argument repeated",a.c_filename,b.lineno);k[n++]=new keyword(f,astForExpr(a,CHILD(m,2)))}else m.type===TOK.T_STAR?h=astForExpr(a,CHILD(b,++p)):m.type===TOK.T_DOUBLESTAR&&(g=astForExpr(a,CHILD(b,++p)));return new Call(c,l,k,h,g,c.lineno,c.col_offset)}
+function astForTrailer(a,b,c){var d,e,f,g;REQ(b,SYM.trailer);if(CHILD(b,0).type===TOK.T_LPAR)return 2===NCH(b)?new Call(c,[],[],null,null,b.lineno,b.col_offset):astForCall(a,CHILD(b,1),c);if(CHILD(b,0).type===TOK.T_DOT)return new Attribute(c,strobj(CHILD(b,1).value),Load,b.lineno,b.col_offset);REQ(CHILD(b,0),TOK.T_LSQB);REQ(CHILD(b,2),TOK.T_RSQB);b=CHILD(b,1);if(1===NCH(b))return new Subscript(c,astForSlice(a,CHILD(b,0)),Load,b.lineno,b.col_offset);g=!0;f=[];for(e=0;e<NCH(b);e+=2)d=astForSlice(a,
+CHILD(b,e)),d.constructor!==Index&&(g=!1),f[e/2]=d;if(!g)return new Subscript(c,new ExtSlice(f),Load,b.lineno,b.col_offset);a=[];for(e=0;e<f.length;++e)d=f[e],goog.asserts.assert(d.constructor===Index&&null!==d.value&&void 0!==d.value),a[e]=d.value;d=new Tuple(a,Load,b.lineno,b.col_offset);return new Subscript(c,new Index(d),Load,b.lineno,b.col_offset)}
+function astForFlowStmt(a,b){var c;REQ(b,SYM.flow_stmt);c=CHILD(b,0);switch(c.type){case SYM.break_stmt:return new Break_(b.lineno,b.col_offset);case SYM.continue_stmt:return new Continue_(b.lineno,b.col_offset);case SYM.yield_stmt:return new Expr(astForExpr(a,CHILD(c,0)),b.lineno,b.col_offset);case SYM.return_stmt:return 1===NCH(c)?new Return_(null,b.lineno,b.col_offset):new Return_(astForTestlist(a,CHILD(c,1)),b.lineno,b.col_offset);case SYM.raise_stmt:if(1===NCH(c))return new Raise(null,null,null,
+b.lineno,b.col_offset);if(2===NCH(c))return new Raise(astForExpr(a,CHILD(c,1)),null,null,b.lineno,b.col_offset);if(4===NCH(c))return new Raise(astForExpr(a,CHILD(c,1)),astForExpr(a,CHILD(c,3)),null,b.lineno,b.col_offset);if(6===NCH(c))return new Raise(astForExpr(a,CHILD(c,1)),astForExpr(a,CHILD(c,3)),astForExpr(a,CHILD(c,5)),b.lineno,b.col_offset);break;default:goog.asserts.fail("unexpected flow_stmt")}goog.asserts.fail("unhandled flow statement")}
+function astForArguments(a,b){var c,d,e,f,g,h,k,l,m,p=null,n=null;if(b.type===SYM.parameters){if(2===NCH(b))return new arguments_([],null,null,[]);b=CHILD(b,1)}REQ(b,SYM.varargslist);l=[];k=[];h=!1;for(e=f=g=0;g<NCH(b);)switch(m=CHILD(b,g),m.type){case SYM.fpdef:c=0;a:for(;;){if(g+1<NCH(b)&&CHILD(b,g+1).type===TOK.T_EQUAL)k[f++]=astForExpr(a,CHILD(b,g+2)),g+=2,h=!0;else if(h){if(c)throw new Sk.builtin.SyntaxError("parenthesized arg with default",a.c_filename,b.lineno);throw new Sk.builtin.SyntaxError("non-default argument follows default argument",
+a.c_filename,b.lineno);}if(3===NCH(m)){m=CHILD(m,1);if(1!==NCH(m))throw new Sk.builtin.SyntaxError("tuple parameter unpacking has been removed",a.c_filename,b.lineno);c=!0;m=CHILD(m,0);goog.asserts.assert(m.type===SYM.fpdef);continue a}CHILD(m,0).type===TOK.T_NAME&&(forbiddenCheck(a,b,CHILD(m,0).value,b.lineno),d=strobj(CHILD(m,0).value),l[e++]=new Name(d,Param,m.lineno,m.col_offset));g+=2;if(c)throw new Sk.builtin.SyntaxError("parenthesized argument names are invalid",a.c_filename,b.lineno);break}break;
+case TOK.T_STAR:forbiddenCheck(a,CHILD(b,g+1),CHILD(b,g+1).value,b.lineno);p=strobj(CHILD(b,g+1).value);g+=3;break;case TOK.T_DOUBLESTAR:forbiddenCheck(a,CHILD(b,g+1),CHILD(b,g+1).value,b.lineno);n=strobj(CHILD(b,g+1).value);g+=3;break;default:goog.asserts.fail("unexpected node in varargslist")}return new arguments_(l,p,n,k)}
+function astForFuncdef(a,b,c){var d,e;REQ(b,SYM.funcdef);e=strobj(CHILD(b,1).value);forbiddenCheck(a,CHILD(b,1),CHILD(b,1).value,b.lineno);d=astForArguments(a,CHILD(b,2));a=astForSuite(a,CHILD(b,4));return new FunctionDef(e,d,a,c,b.lineno,b.col_offset)}function astForClassBases(a,b){goog.asserts.assert(0<NCH(b));REQ(b,SYM.testlist);return 1===NCH(b)?[astForExpr(a,CHILD(b,0))]:seqForTestlist(a,b)}
+function astForClassdef(a,b,c){var d,e;REQ(b,SYM.classdef);forbiddenCheck(a,b,CHILD(b,1).value,b.lineno);e=strobj(CHILD(b,1).value);if(4===NCH(b))return new ClassDef(e,[],astForSuite(a,CHILD(b,3)),c,b.lineno,b.col_offset);if(CHILD(b,3).type===TOK.T_RPAR)return new ClassDef(e,[],astForSuite(a,CHILD(b,5)),c,b.lineno,b.col_offset);d=astForClassBases(a,CHILD(b,3));a=astForSuite(a,CHILD(b,6));return new ClassDef(e,d,a,c,b.lineno,b.col_offset)}
+function astForLambdef(a,b){var c,d;3===NCH(b)?(c=new arguments_([],null,null,[]),d=astForExpr(a,CHILD(b,2))):(c=astForArguments(a,CHILD(b,1)),d=astForExpr(a,CHILD(b,3)));return new Lambda(c,d,b.lineno,b.col_offset)}
+function astForComprehension(a,b){function c(a,b){for(var c=0;;){REQ(b,SYM.comp_iter);if(CHILD(b,0).type===SYM.comp_for)return c;b=CHILD(b,0);REQ(b,SYM.comp_if);c++;if(2==NCH(b))return c;b=CHILD(b,2)}}var d,e,f,g,h,k,l,m;k=function(a,b){var c=0;a:for(;;){c++;REQ(b,SYM.comp_for);if(5===NCH(b))b=CHILD(b,4);else return c;b:for(;;){REQ(b,SYM.comp_iter);b=CHILD(b,0);if(b.type===SYM.comp_for)continue a;else if(b.type===SYM.comp_if)if(3===NCH(b)){b=CHILD(b,2);continue b}else return c;break}break}goog.asserts.fail("logic error in countCompFors")}(a,
+b);l=[];for(h=0;h<k;++h){REQ(b,SYM.comp_for);e=CHILD(b,1);d=astForExprlist(a,e,Store);g=astForExpr(a,CHILD(b,3));m=1===NCH(e)?new comprehension(d[0],g,[]):new comprehension(new Tuple(d,Store,b.lineno,b.col_offset),g,[]);if(5===NCH(b)){b=CHILD(b,4);f=c(a,b);e=[];for(d=0;d<f;++d)REQ(b,SYM.comp_iter),b=CHILD(b,0),REQ(b,SYM.comp_if),g=astForExpr(a,CHILD(b,1)),e[d]=g,3===NCH(b)&&(b=CHILD(b,2));b.type===SYM.comp_iter&&(b=CHILD(b,0));m.ifs=e}l[h]=m}return l}
+function astForIterComp(a,b,c){var d;goog.asserts.assert(1<NCH(b));d=astForExpr(a,CHILD(b,0));a=astForComprehension(a,CHILD(b,1));if(c===COMP_GENEXP)return new GeneratorExp(d,a,b.lineno,b.col_offset);if(c===COMP_SETCOMP)return new SetComp(d,a,b.lineno,b.col_offset)}
+function astForDictComp(a,b){var c,d,e=[];goog.asserts.assert(3<NCH(b));REQ(CHILD(b,1),TOK.T_COLON);c=astForExpr(a,CHILD(b,0));d=astForExpr(a,CHILD(b,2));e=astForComprehension(a,CHILD(b,3));return new DictComp(c,d,e,b.lineno,b.col_offset)}function astForGenExpr(a,b){goog.asserts.assert(b.type===SYM.testlist_comp||b.type===SYM.argument);return astForIterComp(a,b,COMP_GENEXP)}function astForSetComp(a,b){goog.asserts.assert(b.type===SYM.dictorsetmaker);return astForIterComp(a,b,COMP_SETCOMP)}
+function astForWhileStmt(a,b){REQ(b,SYM.while_stmt);if(4===NCH(b))return new While_(astForExpr(a,CHILD(b,1)),astForSuite(a,CHILD(b,3)),[],b.lineno,b.col_offset);if(7===NCH(b))return new While_(astForExpr(a,CHILD(b,1)),astForSuite(a,CHILD(b,3)),astForSuite(a,CHILD(b,6)),b.lineno,b.col_offset);goog.asserts.fail("wrong number of tokens for 'while' stmt")}
+function astForAugassign(a,b){REQ(b,SYM.augassign);b=CHILD(b,0);switch(b.value.charAt(0)){case "+":return Add;case "-":return Sub;case "/":return"/"===b.value.charAt(1)?FloorDiv:Div;case "%":return Mod;case "<":return LShift;case ">":return RShift;case "&":return BitAnd;case "^":return BitXor;case "|":return BitOr;case "*":return"*"===b.value.charAt(1)?Pow:Mult;default:goog.asserts.fail("invalid augassign")}}
+function astForBinop(a,b){var c,d,e,f,g=new BinOp(astForExpr(a,CHILD(b,0)),getOperator(CHILD(b,1)),astForExpr(a,CHILD(b,2)),b.lineno,b.col_offset),h=(NCH(b)-1)/2;for(f=1;f<h;++f)e=CHILD(b,2*f+1),d=getOperator(e),c=astForExpr(a,CHILD(b,2*f+2)),g=new BinOp(g,d,c,e.lineno,e.col_offset);return g}
+function astForTestlist(a,b){goog.asserts.assert(0<NCH(b));b.type===SYM.testlist_comp?1<NCH(b)&&goog.asserts.assert(CHILD(b,1).type!==SYM.comp_for):goog.asserts.assert(b.type===SYM.testlist||b.type===SYM.testlist_safe||b.type===SYM.testlist1);return 1===NCH(b)?astForExpr(a,CHILD(b,0)):new Tuple(seqForTestlist(a,b),Load,b.lineno,b.col_offset)}
+function astForExprStmt(a,b){var c,d,e;REQ(b,SYM.expr_stmt);if(1===NCH(b))return new Expr(astForTestlist(a,CHILD(b,0)),b.lineno,b.col_offset);if(CHILD(b,1).type===SYM.augassign){c=CHILD(b,0);e=astForTestlist(a,c);switch(e.constructor){case GeneratorExp:throw new Sk.builtin.SyntaxError("augmented assignment to generator expression not possible",a.c_filename,b.lineno);case Yield:throw new Sk.builtin.SyntaxError("augmented assignment to yield expression not possible",a.c_filename,b.lineno);case Name:d=
+e.id;forbiddenCheck(a,c,d,b.lineno);break;case Attribute:case Subscript:break;default:throw new Sk.builtin.SyntaxError("illegal expression for augmented assignment",a.c_filename,b.lineno);}setContext(a,e,Store,c);c=CHILD(b,2);c=c.type===SYM.testlist?astForTestlist(a,c):astForExpr(a,c);return new AugAssign(e,astForAugassign(a,CHILD(b,1)),c,b.lineno,b.col_offset)}REQ(CHILD(b,1),TOK.T_EQUAL);e=[];for(d=0;d<NCH(b)-2;d+=2){c=CHILD(b,d);if(c.type===SYM.yield_expr)throw new Sk.builtin.SyntaxError("assignment to yield expression not possible",
+a.c_filename,b.lineno);c=astForTestlist(a,c);setContext(a,c,Store,CHILD(b,d));e[d/2]=c}c=CHILD(b,NCH(b)-1);c=c.type===SYM.testlist?astForTestlist(a,c):astForExpr(a,c);return new Assign(e,c,b.lineno,b.col_offset)}function astForIfexpr(a,b){goog.asserts.assert(5===NCH(b));return new IfExp(astForExpr(a,CHILD(b,2)),astForExpr(a,CHILD(b,0)),astForExpr(a,CHILD(b,4)),b.lineno,b.col_offset)}
+function parsestr(a,b){var c=b.charAt(0),d=!1,e=!1;if(a.c_flags&Parser.CO_FUTURE_UNICODE_LITERALS||!0===Sk.python3)e=!0;if("u"===c||"U"===c)b=b.substr(1),c=b.charAt(0),e=!0;else if("r"===c||"R"===c)b=b.substr(1),c=b.charAt(0),d=!0;goog.asserts.assert("b"!==c&&"B"!==c,"todo; haven't done b'' strings yet");goog.asserts.assert("'"===c||'"'===c&&b.charAt(b.length-1)===c);b=b.substr(1,b.length-2);e&&(b=unescape(encodeURIComponent(b)));4<=b.length&&(b.charAt(0)===c&&b.charAt(1)===c)&&(goog.asserts.assert(b.charAt(b.length-
+1)===c&&b.charAt(b.length-2)===c),b=b.substr(2,b.length-4));if(d||-1===b.indexOf("\\"))c=strobj(decodeURIComponent(escape(b)));else{for(var c=strobj,d=b,f,g,h,k,l=d.length,m="",e=0;e<l;++e)f=d.charAt(e),"\\"===f?(++e,f=d.charAt(e),"n"===f?m+="\n":"\\"===f?m+="\\":"t"===f?m+="\t":"r"===f?m+="\r":"b"===f?m+="\b":"f"===f?m+="\f":"v"===f?m+="\v":"0"===f?m+="\x00":'"'===f?m+='"':"'"===f?m+="'":"\n"!==f&&("x"===f?(k=d.charAt(++e),h=d.charAt(++e),m+=String.fromCharCode(parseInt(k+h,16))):"u"===f||"U"===
+f?(k=d.charAt(++e),h=d.charAt(++e),g=d.charAt(++e),f=d.charAt(++e),m+=String.fromCharCode(parseInt(k+h,16),parseInt(g+f,16))):m+="\\"+f)):m+=f;c=c(m)}return c}function parsestrplus(a,b){var c,d;REQ(CHILD(b,0),TOK.T_STRING);d=new Sk.builtin.str("");for(c=0;c<NCH(b);++c)try{d=d.sq$concat(parsestr(a,CHILD(b,c).value))}catch(e){throw new Sk.builtin.SyntaxError("invalid string (possibly contains a unicode character)",a.c_filename,CHILD(b,c).lineno);}return d}
+function parsenumber(a,b,c){a=b.charAt(b.length-1);if("j"===a||"J"===a)return Sk.builtin.complex.complex_subtype_from_string(b);if("l"===a||"L"===a)return Sk.longFromStr(b.substr(0,b.length-1),0);if(-1!==b.indexOf("."))return new Sk.builtin.float_(parseFloat(b));c=b;a=!1;"-"===b.charAt(0)&&(c=b.substr(1),a=!0);if("0"!==c.charAt(0)||"x"!==c.charAt(1)&&"X"!==c.charAt(1)){if(-1!==b.indexOf("e")||-1!==b.indexOf("E"))return new Sk.builtin.float_(parseFloat(b));if("0"!==c.charAt(0)||"b"!==c.charAt(1)&&
+"B"!==c.charAt(1))if("0"===c.charAt(0))if("0"===c)c=0;else{c=c.substring(1);if("o"===c.charAt(0)||"O"===c.charAt(0))c=c.substring(1);c=parseInt(c,8)}else c=parseInt(c,10);else c=c.substring(2),c=parseInt(c,2)}else c=c.substring(2),c=parseInt(c,16);return c>Sk.builtin.int_.threshold$&&Math.floor(c)===c&&-1===b.indexOf("e")&&-1===b.indexOf("E")?Sk.longFromStr(b,0):a?new Sk.builtin.int_(-c):new Sk.builtin.int_(c)}
+function astForSlice(a,b){var c,d,e,f;REQ(b,SYM.subscript);c=CHILD(b,0);d=e=f=null;if(c.type===TOK.T_DOT)return new Ellipsis;if(1===NCH(b)&&c.type===SYM.test)return new Index(astForExpr(a,c));c.type===SYM.test&&(f=astForExpr(a,c));c.type===TOK.T_COLON?1<NCH(b)&&(c=CHILD(b,1),c.type===SYM.test&&(e=astForExpr(a,c))):2<NCH(b)&&(c=CHILD(b,2),c.type===SYM.test&&(e=astForExpr(a,c)));c=CHILD(b,NCH(b)-1);c.type===SYM.sliceop&&(1===NCH(c)?(c=CHILD(c,0),d=new Name(strobj("None"),Load,c.lineno,c.col_offset)):
+(c=CHILD(c,1),c.type===SYM.test&&(d=astForExpr(a,c))));return new Slice(f,e,d)}
+function astForAtom(a,b){var c,d,e,f=CHILD(b,0);switch(f.type){case TOK.T_NAME:return new Name(strobj(f.value),Load,b.lineno,b.col_offset);case TOK.T_STRING:return new Str(parsestrplus(a,b),b.lineno,b.col_offset);case TOK.T_NUMBER:return new Num(parsenumber(a,f.value,b.lineno),b.lineno,b.col_offset);case TOK.T_LPAR:return f=CHILD(b,1),f.type===TOK.T_RPAR?new Tuple([],Load,b.lineno,b.col_offset):f.type===SYM.yield_expr?astForExpr(a,f):astForTestlistComp(a,f);case TOK.T_LSQB:f=CHILD(b,1);if(f.type===
+TOK.T_RSQB)return new List([],Load,b.lineno,b.col_offset);REQ(f,SYM.listmaker);return 1===NCH(f)||CHILD(f,1).type===TOK.T_COMMA?new List(seqForTestlist(a,f),Load,b.lineno,b.col_offset):astForListcomp(a,f);case TOK.T_LBRACE:e=[];d=[];f=CHILD(b,1);if(b.type===TOK.T_RBRACE)return new Dict([],null,b.lineno,b.col_offset);if(1===NCH(f)||0!==NCH(f)&&CHILD(f,1).type===TOK.T_COMMA){d=[];NCH(f);for(c=0;c<NCH(f);c+=2)e=astForExpr(a,CHILD(f,c)),d[c/2]=e;return new Set(d,b.lineno,b.col_offset)}if(0!==NCH(f)&&
+CHILD(f,1).type==SYM.comp_for)return astForSetComp(a,f);if(3<NCH(f)&&CHILD(f,3).type===SYM.comp_for)return astForDictComp(a,f);NCH(f);for(c=0;c<NCH(f);c+=4)e[c/4]=astForExpr(a,CHILD(f,c)),d[c/4]=astForExpr(a,CHILD(f,c+2));return new Dict(e,d,b.lineno,b.col_offset);case TOK.T_BACKQUOTE:return new Repr(astForTestlist(a,CHILD(b,1)),b.lineno,b.col_offset);default:goog.asserts.fail("unhandled atom",f.type)}}
+function astForPower(a,b){var c,d,e;REQ(b,SYM.power);e=astForAtom(a,CHILD(b,0));if(1===NCH(b))return e;for(c=1;c<NCH(b);++c){d=CHILD(b,c);if(d.type!==SYM.trailer)break;d=astForTrailer(a,d,e);d.lineno=e.lineno;d.col_offset=e.col_offset;e=d}CHILD(b,NCH(b)-1).type===SYM.factor&&(c=astForExpr(a,CHILD(b,NCH(b)-1)),e=new BinOp(e,Pow,c,b.lineno,b.col_offset));return e}
+function astForExpr(a,b){var c,d,e;a:for(;;){switch(b.type){case SYM.test:case SYM.old_test:if(CHILD(b,0).type===SYM.lambdef||CHILD(b,0).type===SYM.old_lambdef)return astForLambdef(a,CHILD(b,0));if(1<NCH(b))return astForIfexpr(a,b);case SYM.or_test:case SYM.and_test:if(1===NCH(b)){b=CHILD(b,0);continue a}d=[];for(c=0;c<NCH(b);c+=2)d[c/2]=astForExpr(a,CHILD(b,c));if("and"===CHILD(b,1).value)return new BoolOp(And,d,b.lineno,b.col_offset);goog.asserts.assert("or"===CHILD(b,1).value);return new BoolOp(Or,
+d,b.lineno,b.col_offset);case SYM.not_test:if(1===NCH(b)){b=CHILD(b,0);continue a}else return new UnaryOp(Not,astForExpr(a,CHILD(b,1)),b.lineno,b.col_offset);case SYM.comparison:if(1===NCH(b)){b=CHILD(b,0);continue a}else{e=[];d=[];for(c=1;c<NCH(b);c+=2)e[(c-1)/2]=astForCompOp(a,CHILD(b,c)),d[(c-1)/2]=astForExpr(a,CHILD(b,c+1));return new Compare(astForExpr(a,CHILD(b,0)),e,d,b.lineno,b.col_offset)}case SYM.expr:case SYM.xor_expr:case SYM.and_expr:case SYM.shift_expr:case SYM.arith_expr:case SYM.term:if(1===
+NCH(b)){b=CHILD(b,0);continue a}return astForBinop(a,b);case SYM.yield_expr:return c=null,2===NCH(b)&&(c=astForTestlist(a,CHILD(b,1))),new Yield(c,b.lineno,b.col_offset);case SYM.factor:if(1===NCH(b)){b=CHILD(b,0);continue a}return astForFactor(a,b);case SYM.power:return astForPower(a,b);default:goog.asserts.fail("unhandled expr","n.type: %d",b.type)}break}}
+function astForPrintStmt(a,b){var c,d,e;c=1;var f=null;REQ(b,SYM.print_stmt);2<=NCH(b)&&CHILD(b,1).type===TOK.T_RIGHTSHIFT&&(f=astForExpr(a,CHILD(b,2)),c=4);e=[];for(d=0;c<NCH(b);c+=2,++d)e[d]=astForExpr(a,CHILD(b,c));c=CHILD(b,NCH(b)-1).type===TOK.T_COMMA?!1:!0;return new Print(f,e,c,b.lineno,b.col_offset)}
+function astForStmt(a,b){var c;b.type===SYM.stmt&&(goog.asserts.assert(1===NCH(b)),b=CHILD(b,0));b.type===SYM.simple_stmt&&(goog.asserts.assert(1===numStmts(b)),b=CHILD(b,0));if(b.type===SYM.small_stmt)switch(REQ(b,SYM.small_stmt),b=CHILD(b,0),b.type){case SYM.expr_stmt:return astForExprStmt(a,b);case SYM.print_stmt:return astForPrintStmt(a,b);case SYM.del_stmt:return astForDelStmt(a,b);case SYM.pass_stmt:return new Pass(b.lineno,b.col_offset);case SYM.flow_stmt:return astForFlowStmt(a,b);case SYM.import_stmt:return astForImportStmt(a,
+b);case SYM.global_stmt:return astForGlobalStmt(a,b);case SYM.exec_stmt:return astForExecStmt(a,b);case SYM.assert_stmt:return astForAssertStmt(a,b);case SYM.debugger_stmt:return new Debugger_(b.lineno,b.col_offset);default:goog.asserts.fail("unhandled small_stmt")}else switch(c=CHILD(b,0),REQ(b,SYM.compound_stmt),c.type){case SYM.if_stmt:return astForIfStmt(a,c);case SYM.while_stmt:return astForWhileStmt(a,c);case SYM.for_stmt:return astForForStmt(a,c);case SYM.try_stmt:return astForTryStmt(a,c);
+case SYM.with_stmt:return astForWithStmt(a,c);case SYM.funcdef:return astForFuncdef(a,c,[]);case SYM.classdef:return astForClassdef(a,c,[]);case SYM.decorated:return astForDecorated(a,c);default:goog.asserts.assert("unhandled compound_stmt")}}
+Sk.astFromParse=function(a,b,c){var d,e,f=new Compiling("utf-8",b,c),g=[],h=0;switch(a.type){case SYM.file_input:for(e=0;e<NCH(a)-1;++e)if(d=CHILD(a,e),a.type!==TOK.T_NEWLINE)if(REQ(d,SYM.stmt),c=numStmts(d),1===c)g[h++]=astForStmt(f,d);else for(d=CHILD(d,0),REQ(d,SYM.simple_stmt),b=0;b<c;++b)g[h++]=astForStmt(f,CHILD(d,2*b));return new Module(g);case SYM.eval_input:goog.asserts.fail("todo;");case SYM.single_input:goog.asserts.fail("todo;");default:goog.asserts.fail("todo;")}};
+Sk.astDump=function(a){var b=function(a){var b,c="";for(b=0;b<a;++b)c+=" ";return c},c=function(a,e){var f,g,h,k,l,m;if(null===a)return e+"None";if(a.prototype&&void 0!==a.prototype._astname&&a.prototype._isenum)return e+a.prototype._astname+"()";if(void 0!==a._astname){h=b(a._astname.length+1);g=[];for(f=0;f<a._fields.length;f+=2)m=a._fields[f],l=a._fields[f+1](a),k=b(m.length+1),g.push([m,c(l,e+h+k)]);l=[];for(f=0;f<g.length;++f)k=g[f],l.push(k[0]+"="+k[1].replace(/^\s+/,""));f=l.join(",\n"+e+h);
+return e+a._astname+"("+f+")"}if(goog.isArrayLike(a)){h=[];for(f=0;f<a.length;++f)g=a[f],h.push(c(g,e+" "));f=h.join(",\n");return e+"["+f.replace(/^\s+/,"")+"]"}f=!0===a?"True":!1===a?"False":a instanceof Sk.builtin.lng?a.tp$str().v:a instanceof Sk.builtin.str?a.$r().v:""+a;return e+f};return c(a,"")};goog.exportSymbol("Sk.astFromParse",Sk.astFromParse);goog.exportSymbol("Sk.astDump",Sk.astDump);var DEF_GLOBAL=1,DEF_LOCAL=2,DEF_PARAM=4,USE=8,DEF_STAR=16,DEF_DOUBLESTAR=32,DEF_INTUPLE=64,DEF_FREE=128,DEF_FREE_GLOBAL=256,DEF_FREE_CLASS=512,DEF_IMPORT=1024,DEF_BOUND=DEF_LOCAL|DEF_PARAM|DEF_IMPORT,SCOPE_OFF=11,SCOPE_MASK=7,LOCAL=1,GLOBAL_EXPLICIT=2,GLOBAL_IMPLICIT=3,FREE=4,CELL=5,OPT_IMPORT_STAR=1,OPT_EXEC=2,OPT_BARE_EXEC=4,OPT_TOPLEVEL=8,GENERATOR=2,GENERATOR_EXPRESSION=2,ModuleBlock="module",FunctionBlock="function",ClassBlock="class";
+function Symbol(a,b,c){this.__name=a;this.__flags=b;this.__scope=b>>SCOPE_OFF&SCOPE_MASK;this.__namespaces=c||[]}Symbol.prototype.get_name=function(){return this.__name};Symbol.prototype.is_referenced=function(){return!!(this.__flags&USE)};Symbol.prototype.is_parameter=function(){return!!(this.__flags&DEF_PARAM)};Symbol.prototype.is_global=function(){return this.__scope===GLOBAL_IMPLICIT||this.__scope==GLOBAL_EXPLICIT};Symbol.prototype.is_declared_global=function(){return this.__scope==GLOBAL_EXPLICIT};
+Symbol.prototype.is_local=function(){return!!(this.__flags&DEF_BOUND)};Symbol.prototype.is_free=function(){return this.__scope==FREE};Symbol.prototype.is_imported=function(){return!!(this.__flags&DEF_IMPORT)};Symbol.prototype.is_assigned=function(){return!!(this.__flags&DEF_LOCAL)};Symbol.prototype.is_namespace=function(){return this.__namespaces&&0<this.__namespaces.length};Symbol.prototype.get_namespaces=function(){return this.__namespaces};var astScopeCounter=0;
+function SymbolTableScope(a,b,c,d,e){this.symFlags={};this.name=b;this.varnames=[];this.children=[];this.blockType=c;this.returnsValue=this.varkeywords=this.varargs=this.generator=this.childHasFree=this.hasFree=this.isNested=!1;this.lineno=e;this.table=a;a.cur&&(a.cur.nested||a.cur.blockType===FunctionBlock)&&(this.isNested=!0);d.scopeId=astScopeCounter++;a.stss[d.scopeId]=this;this.symbols={}}SymbolTableScope.prototype.get_type=function(){return this.blockType};
+SymbolTableScope.prototype.get_name=function(){return this.name};SymbolTableScope.prototype.get_lineno=function(){return this.lineno};SymbolTableScope.prototype.is_nested=function(){return this.isNested};SymbolTableScope.prototype.has_children=function(){return 0<this.children.length};SymbolTableScope.prototype.get_identifiers=function(){return this._identsMatching(function(){return!0})};
+SymbolTableScope.prototype.lookup=function(a){var b,c;this.symbols.hasOwnProperty(a)?a=this.symbols[a]:(c=this.symFlags[a],b=this.__check_children(a),a=this.symbols[a]=new Symbol(a,c,b));return a};SymbolTableScope.prototype.__check_children=function(a){var b,c,d=[];for(c=0;c<this.children.length;++c)b=this.children[c],b.name===a&&d.push(b);return d};
+SymbolTableScope.prototype._identsMatching=function(a){var b,c=[];for(b in this.symFlags)this.symFlags.hasOwnProperty(b)&&a(this.symFlags[b])&&c.push(b);c.sort();return c};SymbolTableScope.prototype.get_parameters=function(){goog.asserts.assert("function"==this.get_type(),"get_parameters only valid for function scopes");this._funcParams||(this._funcParams=this._identsMatching(function(a){return a&DEF_PARAM}));return this._funcParams};
+SymbolTableScope.prototype.get_locals=function(){goog.asserts.assert("function"==this.get_type(),"get_locals only valid for function scopes");this._funcLocals||(this._funcLocals=this._identsMatching(function(a){return a&DEF_BOUND}));return this._funcLocals};
+SymbolTableScope.prototype.get_globals=function(){goog.asserts.assert("function"==this.get_type(),"get_globals only valid for function scopes");this._funcGlobals||(this._funcGlobals=this._identsMatching(function(a){a=a>>SCOPE_OFF&SCOPE_MASK;return a==GLOBAL_IMPLICIT||a==GLOBAL_EXPLICIT}));return this._funcGlobals};
+SymbolTableScope.prototype.get_frees=function(){goog.asserts.assert("function"==this.get_type(),"get_frees only valid for function scopes");this._funcFrees||(this._funcFrees=this._identsMatching(function(a){return(a>>SCOPE_OFF&SCOPE_MASK)==FREE}));return this._funcFrees};
+SymbolTableScope.prototype.get_methods=function(){var a,b;goog.asserts.assert("class"==this.get_type(),"get_methods only valid for class scopes");if(!this._classMethods){b=[];for(a=0;a<this.children.length;++a)b.push(this.children[a].name);b.sort();this._classMethods=b}return this._classMethods};SymbolTableScope.prototype.getScope=function(a){a=this.symFlags[a];return void 0===a?0:a>>SCOPE_OFF&SCOPE_MASK};
+function SymbolTable(a){this.filename=a;this.top=this.cur=null;this.stack=[];this.curClass=this.global=null;this.tmpname=0;this.stss={}}SymbolTable.prototype.getStsForAst=function(a){goog.asserts.assert(void 0!==a.scopeId,"ast wasn't added to st?");a=this.stss[a.scopeId];goog.asserts.assert(void 0!==a,"unknown sym tab entry");return a};
+SymbolTable.prototype.SEQStmt=function(a){var b,c,d;goog.asserts.assert(goog.isArrayLike(a),"SEQ: nodes isn't array? got %s",a);d=a.length;for(c=0;c<d;++c)(b=a[c])&&this.visitStmt(b)};SymbolTable.prototype.SEQExpr=function(a){var b,c,d;goog.asserts.assert(goog.isArrayLike(a),"SEQ: nodes isn't array? got %s",a);d=a.length;for(c=0;c<d;++c)(b=a[c])&&this.visitExpr(b)};
+SymbolTable.prototype.enterBlock=function(a,b,c,d){var e;a=fixReservedNames(a);e=null;this.cur&&(e=this.cur,this.stack.push(this.cur));this.cur=new SymbolTableScope(this,a,b,c,d);"top"===a&&(this.global=this.cur.symFlags);e&&e.children.push(this.cur)};SymbolTable.prototype.exitBlock=function(){this.cur=null;0<this.stack.length&&(this.cur=this.stack.pop())};
+SymbolTable.prototype.visitParams=function(a,b){var c,d;for(d=0;d<a.length;++d)if(c=a[d],c.constructor===Name)goog.asserts.assert(c.ctx===Param||c.ctx===Store&&!b),this.addDef(c.id,DEF_PARAM,c.lineno);else throw new Sk.builtin.SyntaxError("invalid expression in parameter list",this.filename);};
+SymbolTable.prototype.visitArguments=function(a,b){a.args&&this.visitParams(a.args,!0);a.vararg&&(this.addDef(a.vararg,DEF_PARAM,b),this.cur.varargs=!0);a.kwarg&&(this.addDef(a.kwarg,DEF_PARAM,b),this.cur.varkeywords=!0)};SymbolTable.prototype.newTmpname=function(a){this.addDef(new Sk.builtin.str("_["+ ++this.tmpname+"]"),DEF_LOCAL,a)};
+SymbolTable.prototype.addDef=function(a,b,c){var d,e=mangleName(this.curClass,new Sk.builtin.str(a)).v,e=fixReservedNames(e);d=this.cur.symFlags[e];if(void 0!==d){if(b&DEF_PARAM&&d&DEF_PARAM)throw new Sk.builtin.SyntaxError("duplicate argument '"+a.v+"' in function definition",this.filename,c);d|=b}else d=b;this.cur.symFlags[e]=d;b&DEF_PARAM?this.cur.varnames.push(e):b&DEF_GLOBAL&&(d=b,a=this.global[e],void 0!==a&&(d|=a),this.global[e]=d)};
+SymbolTable.prototype.visitSlice=function(a){var b;switch(a.constructor){case Slice:a.lower&&this.visitExpr(a.lower);a.upper&&this.visitExpr(a.upper);a.step&&this.visitExpr(a.step);break;case ExtSlice:for(b=0;b<a.dims.length;++b)this.visitSlice(a.dims[b]);break;case Index:this.visitExpr(a.value)}};
+SymbolTable.prototype.visitStmt=function(a){var b,c,d,e;goog.asserts.assert(void 0!==a,"visitStmt called with undefined");switch(a.constructor){case FunctionDef:this.addDef(a.name,DEF_LOCAL,a.lineno);a.args.defaults&&this.SEQExpr(a.args.defaults);a.decorator_list&&this.SEQExpr(a.decorator_list);this.enterBlock(a.name.v,FunctionBlock,a,a.lineno);this.visitArguments(a.args,a.lineno);this.SEQStmt(a.body);this.exitBlock();break;case ClassDef:this.addDef(a.name,DEF_LOCAL,a.lineno);this.SEQExpr(a.bases);
+a.decorator_list&&this.SEQExpr(a.decorator_list);this.enterBlock(a.name.v,ClassBlock,a,a.lineno);this.curClass=a.name;this.SEQStmt(a.body);this.exitBlock();break;case Return_:if(a.value&&(this.visitExpr(a.value),this.cur.returnsValue=!0,this.cur.generator))throw new Sk.builtin.SyntaxError("'return' with argument inside generator",this.filename);break;case Delete_:this.SEQExpr(a.targets);break;case Assign:this.SEQExpr(a.targets);this.visitExpr(a.value);break;case AugAssign:this.visitExpr(a.target);
+this.visitExpr(a.value);break;case Print:a.dest&&this.visitExpr(a.dest);this.SEQExpr(a.values);break;case For_:this.visitExpr(a.target);this.visitExpr(a.iter);this.SEQStmt(a.body);a.orelse&&this.SEQStmt(a.orelse);break;case While_:this.visitExpr(a.test);this.SEQStmt(a.body);a.orelse&&this.SEQStmt(a.orelse);break;case If_:this.visitExpr(a.test);this.SEQStmt(a.body);a.orelse&&this.SEQStmt(a.orelse);break;case Raise:a.type&&(this.visitExpr(a.type),a.inst&&(this.visitExpr(a.inst),a.tback&&this.visitExpr(a.tback)));
+break;case TryExcept:this.SEQStmt(a.body);this.SEQStmt(a.orelse);this.visitExcepthandlers(a.handlers);break;case TryFinally:this.SEQStmt(a.body);this.SEQStmt(a.finalbody);break;case Assert:this.visitExpr(a.test);a.msg&&this.visitExpr(a.msg);break;case Import_:case ImportFrom:this.visitAlias(a.names,a.lineno);break;case Exec:this.visitExpr(a.body);a.globals&&(this.visitExpr(a.globals),a.locals&&this.visitExpr(a.locals));break;case Global:e=a.names.length;for(d=0;d<e;++d){c=mangleName(this.curClass,
+a.names[d]).v;c=fixReservedNames(c);b=this.cur.symFlags[c];if(b&(DEF_LOCAL|USE)){if(b&DEF_LOCAL)throw new Sk.builtin.SyntaxError("name '"+c+"' is assigned to before global declaration",this.filename,a.lineno);throw new Sk.builtin.SyntaxError("name '"+c+"' is used prior to global declaration",this.filename,a.lineno);}this.addDef(new Sk.builtin.str(c),DEF_GLOBAL,a.lineno)}break;case Expr:this.visitExpr(a.value);break;case Pass:case Break_:case Debugger_:case Continue_:break;case With_:this.newTmpname(a.lineno);
+this.visitExpr(a.context_expr);a.optional_vars&&(this.newTmpname(a.lineno),this.visitExpr(a.optional_vars));this.SEQStmt(a.body);break;default:goog.asserts.fail("Unhandled type "+a.constructor.name+" in visitStmt")}};
+SymbolTable.prototype.visitExpr=function(a){var b;goog.asserts.assert(void 0!==a,"visitExpr called with undefined");switch(a.constructor){case BoolOp:this.SEQExpr(a.values);break;case BinOp:this.visitExpr(a.left);this.visitExpr(a.right);break;case UnaryOp:this.visitExpr(a.operand);break;case Lambda:this.addDef(new Sk.builtin.str("lambda"),DEF_LOCAL,a.lineno);a.args.defaults&&this.SEQExpr(a.args.defaults);this.enterBlock("lambda",FunctionBlock,a,a.lineno);this.visitArguments(a.args,a.lineno);this.visitExpr(a.body);
+this.exitBlock();break;case IfExp:this.visitExpr(a.test);this.visitExpr(a.body);this.visitExpr(a.orelse);break;case Dict:this.SEQExpr(a.keys);this.SEQExpr(a.values);break;case DictComp:case SetComp:this.visitComprehension(a.generators,0);break;case ListComp:this.newTmpname(a.lineno);this.visitExpr(a.elt);this.visitComprehension(a.generators,0);break;case GeneratorExp:this.visitGenexp(a);break;case Yield:a.value&&this.visitExpr(a.value);this.cur.generator=!0;if(this.cur.returnsValue)throw new Sk.builtin.SyntaxError("'return' with argument inside generator",
+this.filename);break;case Compare:this.visitExpr(a.left);this.SEQExpr(a.comparators);break;case Call:this.visitExpr(a.func);this.SEQExpr(a.args);for(b=0;b<a.keywords.length;++b)this.visitExpr(a.keywords[b].value);a.starargs&&this.visitExpr(a.starargs);a.kwargs&&this.visitExpr(a.kwargs);break;case Num:case Str:break;case Attribute:this.visitExpr(a.value);break;case Subscript:this.visitExpr(a.value);this.visitSlice(a.slice);break;case Name:this.addDef(a.id,a.ctx===Load?USE:DEF_LOCAL,a.lineno);break;
+case List:case Tuple:case Set:this.SEQExpr(a.elts);break;default:goog.asserts.fail("Unhandled type "+a.constructor.name+" in visitExpr")}};SymbolTable.prototype.visitComprehension=function(a,b){var c,d,e=a.length;for(d=b;d<e;++d)c=a[d],this.visitExpr(c.target),this.visitExpr(c.iter),this.SEQExpr(c.ifs)};
+SymbolTable.prototype.visitAlias=function(a,b){var c,d,e,f;for(f=0;f<a.length;++f)if(c=a[f],d=e=null===c.asname?c.name.v:c.asname.v,c=e.indexOf("."),-1!==c&&(d=e.substr(0,c)),"*"!==e)this.addDef(new Sk.builtin.str(d),DEF_IMPORT,b);else if(this.cur.blockType!==ModuleBlock)throw new Sk.builtin.SyntaxError("import * only allowed at module level",this.filename);};
+SymbolTable.prototype.visitGenexp=function(a){var b=a.generators[0];this.visitExpr(b.iter);this.enterBlock("genexpr",FunctionBlock,a,a.lineno);this.cur.generator=!0;this.addDef(new Sk.builtin.str(".0"),DEF_PARAM,a.lineno);this.visitExpr(b.target);this.SEQExpr(b.ifs);this.visitComprehension(a.generators,1);this.visitExpr(a.elt);this.exitBlock()};SymbolTable.prototype.visitExcepthandlers=function(a){var b,c;for(b=0;c=a[b];++b)c.type&&this.visitExpr(c.type),c.name&&this.visitExpr(c.name),this.SEQStmt(c.body)};
+function _dictUpdate(a,b){for(var c in b)a[c]=b[c]}
+SymbolTable.prototype.analyzeBlock=function(a,b,c,d){var e,f,g;g={};var h={},k={},l={},m={};a.blockType==ClassBlock&&(_dictUpdate(k,d),b&&_dictUpdate(l,b));for(f in a.symFlags)e=a.symFlags[f],this.analyzeName(a,h,f,e,b,g,c,d);a.blockType!==ClassBlock&&(a.blockType===FunctionBlock&&_dictUpdate(l,g),b&&_dictUpdate(l,b),_dictUpdate(k,d));g={};f=a.children.length;for(e=0;e<f;++e)if(d=a.children[e],this.analyzeChildBlock(d,l,m,k,g),d.hasFree||d.childHasFree)a.childHasFree=!0;_dictUpdate(m,g);a.blockType===
+FunctionBlock&&this.analyzeCells(h,m);this.updateSymbols(a.symFlags,h,b,m,a.blockType===ClassBlock);_dictUpdate(c,m)};SymbolTable.prototype.analyzeChildBlock=function(a,b,c,d,e){var f={};_dictUpdate(f,b);b={};_dictUpdate(b,c);c={};_dictUpdate(c,d);this.analyzeBlock(a,f,b,c);_dictUpdate(e,b)};SymbolTable.prototype.analyzeCells=function(a,b){var c,d;for(d in a)c=a[d],c===LOCAL&&void 0!==b[d]&&(a[d]=CELL,delete b[d])};
+SymbolTable.prototype.updateSymbols=function(a,b,c,d,e){var f,g,h;for(h in a)g=a[h],f=b[h],g|=f<<SCOPE_OFF,a[h]=g;b=FREE<<SCOPE_OFF;for(h in d)d=a[h],void 0!==d?e&&d&(DEF_BOUND|DEF_GLOBAL)&&(d|=DEF_FREE_CLASS,a[h]=d):void 0!==c[h]&&(a[h]=b)};
+SymbolTable.prototype.analyzeName=function(a,b,c,d,e,f,g,h){if(d&DEF_GLOBAL){if(d&DEF_PARAM)throw new Sk.builtin.SyntaxError("name '"+c+"' is local and global",this.filename,a.lineno);b[c]=GLOBAL_EXPLICIT;h[c]=null;e&&void 0!==e[c]&&delete e[c]}else d&DEF_BOUND?(b[c]=LOCAL,f[c]=null,delete h[c]):e&&void 0!==e[c]?(b[c]=FREE,a.hasFree=!0,g[c]=null):(h&&void 0!==h[c]||!a.isNested||(a.hasFree=!0),b[c]=GLOBAL_IMPLICIT)};SymbolTable.prototype.analyze=function(){this.analyzeBlock(this.top,null,{},{})};
+Sk.symboltable=function(a,b){var c,d=new SymbolTable(b);d.enterBlock("top",ModuleBlock,a,0);d.top=d.cur;for(c=0;c<a.body.length;++c)d.visitStmt(a.body[c]);d.exitBlock();d.analyze();return d};
+Sk.dumpSymtab=function(a){var b=function(a){return a?"True":"False"},c=function(a){var b,c=[];for(b=0;b<a.length;++b)c.push((new Sk.builtin.str(a[b])).$r().v);return"["+c.join(", ")+"]"},d=function(a,f){var g,h,k,l,m,p,n,r,q;void 0===f&&(f="");q=""+(f+"Sym_type: "+a.get_type()+"\n");q+=f+"Sym_name: "+a.get_name()+"\n";q+=f+"Sym_lineno: "+a.get_lineno()+"\n";q+=f+"Sym_nested: "+b(a.is_nested())+"\n";q+=f+"Sym_haschildren: "+b(a.has_children())+"\n";"class"===a.get_type()?q+=f+"Class_methods: "+c(a.get_methods())+
+"\n":"function"===a.get_type()&&(q+=f+"Func_params: "+c(a.get_parameters())+"\n",q+=f+"Func_locals: "+c(a.get_locals())+"\n",q+=f+"Func_globals: "+c(a.get_globals())+"\n",q+=f+"Func_frees: "+c(a.get_frees())+"\n");q+=f+"-- Identifiers --\n";r=a.get_identifiers();n=r.length;for(p=0;p<n;++p){g=a.lookup(r[p]);q+=f+"name: "+g.get_name()+"\n";q+=f+"  is_referenced: "+b(g.is_referenced())+"\n";q+=f+"  is_imported: "+b(g.is_imported())+"\n";q+=f+"  is_parameter: "+b(g.is_parameter())+"\n";q+=f+"  is_global: "+
+b(g.is_global())+"\n";q+=f+"  is_declared_global: "+b(g.is_declared_global())+"\n";q+=f+"  is_local: "+b(g.is_local())+"\n";q+=f+"  is_free: "+b(g.is_free())+"\n";q+=f+"  is_assigned: "+b(g.is_assigned())+"\n";q+=f+"  is_namespace: "+b(g.is_namespace())+"\n";m=g.get_namespaces();l=m.length;q+=f+"  namespaces: [\n";k=[];for(h=0;h<l;++h)g=m[h],k.push(d(g,f+"    "));q+=k.join("\n");q+=f+"  ]\n"}return q};return d(a.top,"")};goog.exportSymbol("Sk.symboltable",Sk.symboltable);
+goog.exportSymbol("Sk.dumpSymtab",Sk.dumpSymtab);var out;Sk.gensymcount=0;function Compiler(a,b,c,d,e){this.filename=a;this.st=b;this.flags=c;this.canSuspend=d;this.interactive=!1;this.nestlevel=0;this.u=null;this.stack=[];this.result=[];this.allUnits=[];this.source=e?e.split("\n"):!1}
+function CompilerUnit(){this.name=this.ste=null;this.doesSuspend=this.canSuspend=!1;this.private_=null;this.lineno=this.firstlineno=0;this.linenoSet=!1;this.localnames=[];this.localtemps=[];this.tempsToSave=[];this.blocknum=0;this.blocks=[];this.curblock=0;this.scopename=null;this.suffixCode=this.switchCode=this.varDeclsCode=this.prefixCode="";this.breakBlocks=[];this.continueBlocks=[];this.exceptBlocks=[];this.finallyBlocks=[]}
+CompilerUnit.prototype.activateScope=function(){var a=this;out=function(){var b,c=a.blocks[a.curblock];if(null===c._next)for(b=0;b<arguments.length;++b)c.push(arguments[b])}};Compiler.prototype.getSourceLine=function(a){goog.asserts.assert(this.source);return this.source[a-1]};
+Compiler.prototype.annotateSource=function(a){var b,c;if(this.source){c=a.lineno;b=a.col_offset;out("\n//\n// line ",c,":\n// ",this.getSourceLine(c),"\n// ");for(a=0;a<b;++a)out(" ");out("^\n//\n");out("currLineNo = ",c,";\ncurrColNo = ",b,";\n\n")}};Compiler.prototype.gensym=function(a){a="$"+(a||"");return a+=Sk.gensymcount++};Compiler.prototype.niceName=function(a){return this.gensym(a.replace("<","").replace(">","").replace(" ","_"))};
+var reservedWords_={"abstract":!0,as:!0,"boolean":!0,"break":!0,"byte":!0,"case":!0,"catch":!0,"char":!0,"class":!0,"continue":!0,"const":!0,"debugger":!0,"default":!0,"delete":!0,"do":!0,"double":!0,"else":!0,"enum":!0,"export":!0,"extends":!0,"false":!0,"final":!0,"finally":!0,"float":!0,"for":!0,"function":!0,"goto":!0,"if":!0,"implements":!0,"import":!0,"in":!0,"instanceof":!0,"int":!0,"interface":!0,is:!0,"long":!0,namespace:!0,"native":!0,"new":!0,"null":!0,"package":!0,"private":!0,"protected":!0,
+"public":!0,"return":!0,"short":!0,"static":!0,"super":!1,"switch":!0,"synchronized":!0,"this":!0,"throw":!0,"throws":!0,"transient":!0,"true":!0,"try":!0,"typeof":!0,use:!0,"var":!0,"void":!0,"volatile":!0,"while":!0,"with":!0};function fixReservedWords(a){return!0!==reservedWords_[a]?a:a+"_$rw$"}
+var reservedNames_={__defineGetter__:!0,__defineSetter__:!0,apply:!0,call:!0,eval:!0,hasOwnProperty:!0,isPrototypeOf:!0,__lookupGetter__:!0,__lookupSetter__:!0,__noSuchMethod__:!0,propertyIsEnumerable:!0,toSource:!0,toLocaleString:!0,toString:!0,unwatch:!0,valueOf:!0,watch:!0,length:!0};function fixReservedNames(a){return reservedNames_[a]?a+"_$rn$":a}
+function mangleName(a,b){var c=b.v,d=null;if(null===a||(null===c||"_"!==c.charAt(0)||"_"!==c.charAt(1))||"_"===c.charAt(c.length-1)&&"_"===c.charAt(c.length-2))return b;d=a.v;d.replace(/_/g,"");if(""===d)return b;d=a.v;d.replace(/^_*/,"");return d=new Sk.builtin.str("_"+d+c)}Compiler.prototype._gr=function(a,b){var c,d=this.gensym(a);this.u.localtemps.push(d);out("var ",d,"=");for(c=1;c<arguments.length;++c)out(arguments[c]);out(";");return d};
+Compiler.prototype.outputInterruptTest=function(){var a="";if(null!==Sk.execLimit||null!==Sk.yieldLimit&&this.u.canSuspend)a+="var $dateNow = Date.now();",null!==Sk.execLimit&&(a+="if ($dateNow - Sk.execStart > Sk.execLimit) {throw new Sk.builtin.TimeLimitError(Sk.timeoutMsg())}"),null!==Sk.yieldLimit&&this.u.canSuspend&&(a=a+"if ($dateNow - Sk.lastYield > Sk.yieldLimit) {"+("var $susp = $saveSuspension({data: {type: 'Sk.yield'}, resume: function() {}}, '"+this.filename+"',currLineNo,currColNo);"),
+a+="$susp.$blk = $blk;",a+="$susp.optional = true;",a+="return $susp;",a+="}",this.u.doesSuspend=!0);return a};Compiler.prototype._jumpfalse=function(a,b){var c=this._gr("jfalse","(",a,"===false||!Sk.misceval.isTrue(",a,"))");out("if(",c,"){/*test failed */$blk=",b,";continue;}")};Compiler.prototype._jumpundef=function(a,b){out("if(",a,"===undefined){$blk=",b,";continue;}")};
+Compiler.prototype._jumptrue=function(a,b){var c=this._gr("jtrue","(",a,"===true||Sk.misceval.isTrue(",a,"))");out("if(",c,"){/*test passed */$blk=",b,";continue;}")};Compiler.prototype._jump=function(a){null===this.u.blocks[this.u.curblock]._next&&(out("$blk=",a,";"),this.u.blocks[this.u.curblock]._next=a)};
+Compiler.prototype._checkSuspension=function(a){var b;this.u.canSuspend?(b=this.newBlock("function return or resume suspension"),this._jump(b),this.setBlock(b),a=a||{lineno:"currLineNo",col_offset:"currColNo"},out("if ($ret && $ret.isSuspension) { return $saveSuspension($ret,'"+this.filename+"',"+a.lineno+","+a.col_offset+"); }"),this.u.doesSuspend=!0,this.u.tempsToSave=this.u.tempsToSave.concat(this.u.localtemps)):out("if ($ret && $ret.isSuspension) { $ret = Sk.misceval.retryOptionalSuspensionOrThrow($ret); }")};
+Compiler.prototype.ctuplelistorset=function(a,b,c){var d;goog.asserts.assert("tuple"===c||"list"===c||"set"===c);if(a.ctx===Store)for(d=this._gr("items","Sk.abstr.sequenceUnpack("+b+","+a.elts.length+")"),b=0;b<a.elts.length;++b)this.vexpr(a.elts[b],d+"["+b+"]");else if(a.ctx===Load||"set"===c){d=[];for(b=0;b<a.elts.length;++b)d.push(this._gr("elem",this.vexpr(a.elts[b])));return this._gr("load"+c,"new Sk.builtins['",c,"']([",d,"])")}};
+Compiler.prototype.cdict=function(a){var b,c,d;goog.asserts.assert(a.values.length===a.keys.length);d=[];for(c=0;c<a.values.length;++c)b=this.vexpr(a.values[c]),d.push(this.vexpr(a.keys[c])),d.push(b);return this._gr("loaddict","new Sk.builtins['dict']([",d,"])")};Compiler.prototype.clistcomp=function(a){goog.asserts.assert(a instanceof ListComp);var b=this._gr("_compr","new Sk.builtins['list']([])");return this.ccompgen("list",b,a.generators,0,a.elt,null,a)};
+Compiler.prototype.cdictcomp=function(a){goog.asserts.assert(a instanceof DictComp);var b=this._gr("_dcompr","new Sk.builtins.dict([])");return this.ccompgen("dict",b,a.generators,0,a.value,a.key,a)};Compiler.prototype.csetcomp=function(a){goog.asserts.assert(a instanceof SetComp);var b=this._gr("_setcompr","new Sk.builtins.set([])");return this.ccompgen("set",b,a.generators,0,a.elt,null,a)};
+Compiler.prototype.ccompgen=function(a,b,c,d,e,f,g){var h=this.newBlock(a+" comp start"),k=this.newBlock(a+" comp skip"),l=this.newBlock(a+" comp anchor"),m=c[d],p=this.vexpr(m.iter),p=this._gr("iter","Sk.abstr.iter(",p,")"),n,r;this._jump(h);this.setBlock(h);out("$ret = Sk.abstr.iternext(",p,", true);");this._checkSuspension(g);p=this._gr("next","$ret");this._jumpundef(p,l);this.vexpr(m.target,p);r=m.ifs.length;for(n=0;n<r;++n)p=this.vexpr(m.ifs[n]),this._jumpfalse(p,h);++d<c.length&&this.ccompgen(a,
+b,c,d,e,f,g);d>=c.length&&(c=this.vexpr(e),"dict"===a?(a=this.vexpr(f),out(b,".mp$ass_subscript(",a,",",c,");")):"list"===a?out(b,".v.push(",c,");"):"set"===a&&out(b,".v.mp$ass_subscript(",c,", true);"),this._jump(k),this.setBlock(k));this._jump(h);this.setBlock(l);return b};
+Compiler.prototype.cyield=function(a){if(this.u.ste.blockType!==FunctionBlock)throw new SyntaxError("'yield' outside function");var b="null";a.value&&(b=this.vexpr(a.value));a=this.newBlock("after yield");out("return [/*resume*/",a,",/*ret*/",b,"];");this.setBlock(a);return"$gen.gi$sentvalue"};
+Compiler.prototype.ccompare=function(a){var b,c,d,e,f,g;goog.asserts.assert(a.ops.length===a.comparators.length);g=this.vexpr(a.left);f=a.ops.length;e=this.newBlock("done");d=this._gr("compareres","null");for(c=0;c<f;++c)b=this.vexpr(a.comparators[c]),out("$ret = Sk.builtin.bool(Sk.misceval.richCompareBool(",g,",",b,",'",a.ops[c].prototype._astname,"', true));"),this._checkSuspension(a),out(d,"=$ret;"),this._jumpfalse("$ret",e),g=b;this._jump(e);this.setBlock(e);return d};
+Compiler.prototype.ccall=function(a){var b,c,d,e=this.vexpr(a.func),f=this.vseqexpr(a.args);if(0<a.keywords.length||a.starargs||a.kwargs){c=[];for(b=0;b<a.keywords.length;++b)c.push("'"+a.keywords[b].arg.v+"'"),c.push(this.vexpr(a.keywords[b].value));d="["+c.join(",")+"]";b=c="undefined";a.starargs&&(c=this.vexpr(a.starargs));a.kwargs&&(b=this.vexpr(a.kwargs));out("$ret;");out("$ret = Sk.misceval.callOrSuspend(",e,",",b,",",c,",",d,0<f.length?",":"",f,");")}else out("$ret;"),out("$ret = Sk.misceval.callsimOrSuspend(",
+e,0<f.length?",":"",f,");");this._checkSuspension(a);return this._gr("call","$ret")};Compiler.prototype.cslice=function(a){var b,c;goog.asserts.assert(a instanceof Slice);c=a.lower?this.vexpr(a.lower):a.step?"Sk.builtin.none.none$":"new Sk.builtin.int_(0)";b=a.upper?this.vexpr(a.upper):a.step?"Sk.builtin.none.none$":"new Sk.builtin.int_(2147483647)";a=a.step?this.vexpr(a.step):"Sk.builtin.none.none$";return this._gr("slice","new Sk.builtins['slice'](",c,",",b,",",a,")")};
+Compiler.prototype.eslice=function(a){var b,c;goog.asserts.assert(a instanceof Array);c=[];for(b=0;b<a.length;b++)c.push(this.vslicesub(a[b]));return this._gr("extslice","new Sk.builtins['tuple']([",c,"])")};Compiler.prototype.vslicesub=function(a){var b;switch(a.constructor){case Index:b=this.vexpr(a.value);break;case Slice:b=this.cslice(a);break;case Ellipsis:goog.asserts.fail("todo compile.js Ellipsis;");break;case ExtSlice:b=this.eslice(a.dims);break;default:goog.asserts.fail("invalid subscript kind")}return b};
+Compiler.prototype.vslice=function(a,b,c,d){a=this.vslicesub(a);return this.chandlesubscr(b,c,a,d)};Compiler.prototype.chandlesubscr=function(a,b,c,d){if(a===Load||a===AugLoad)return out("$ret = Sk.abstr.objectGetItem(",b,",",c,", true);"),this._checkSuspension(),this._gr("lsubscr","$ret");a===Store||a===AugStore?(out("$ret = Sk.abstr.objectSetItem(",b,",",c,",",d,", true);"),this._checkSuspension()):a===Del?out("Sk.abstr.objectDelItem(",b,",",c,");"):goog.asserts.fail("handlesubscr fail")};
+Compiler.prototype.cboolop=function(a){var b,c,d,e,f,g;goog.asserts.assert(a instanceof BoolOp);g=a.op===And?this._jumpfalse:this._jumptrue;f=this.newBlock("end of boolop");e=a.values;d=e.length;for(b=0;b<d;++b)a=this.vexpr(e[b]),0===b&&(c=this._gr("boolopsucc",a)),out(c,"=",a,";"),g.call(this,a,f);this._jump(f);this.setBlock(f);return c};
+Compiler.prototype.vexpr=function(a,b,c,d){var e;a.lineno>this.u.lineno&&(this.u.lineno=a.lineno,this.u.linenoSet=!1);switch(a.constructor){case BoolOp:return this.cboolop(a);case BinOp:return this._gr("binop","Sk.abstr.numberBinOp(",this.vexpr(a.left),",",this.vexpr(a.right),",'",a.op.prototype._astname,"')");case UnaryOp:return this._gr("unaryop","Sk.abstr.numberUnaryOp(",this.vexpr(a.operand),",'",a.op.prototype._astname,"')");case Lambda:return this.clambda(a);case IfExp:return this.cifexp(a);
+case Dict:return this.cdict(a);case ListComp:return this.clistcomp(a);case DictComp:return this.cdictcomp(a);case SetComp:return this.csetcomp(a);case GeneratorExp:return this.cgenexp(a);case Yield:return this.cyield(a);case Compare:return this.ccompare(a);case Call:return b=this.ccall(a),this.annotateSource(a),b;case Num:if("number"===typeof a.n)return a.n;if(a.n instanceof Sk.builtin.int_)return"new Sk.builtin.int_("+a.n.v+")";if(a.n instanceof Sk.builtin.float_)return a=0===a.n.v&&-Infinity===
+1/a.n.v?"-0":a.n.v,"new Sk.builtin.float_("+a+")";if(a.n instanceof Sk.builtin.lng)return"Sk.longFromStr('"+a.n.tp$str().v+"')";if(a.n instanceof Sk.builtin.complex)return"new Sk.builtin.complex(new Sk.builtin.float_("+(0===a.n.real.v&&-Infinity===1/a.n.real.v?"-0":a.n.real.v)+"), new Sk.builtin.float_("+(0===a.n.imag.v&&-Infinity===1/a.n.imag.v?"-0":a.n.imag.v)+"))";goog.asserts.fail("unhandled Num type");case Str:return this._gr("str","new Sk.builtins['str'](",a.s.$r().v,")");case Attribute:a.ctx!==
+AugLoad&&a.ctx!==AugStore&&(e=this.vexpr(a.value));d=a.attr.$r().v;d=d.substring(1,d.length-1);d=mangleName(this.u.private_,new Sk.builtin.str(d)).v;d=fixReservedWords(d);d=fixReservedNames(d);switch(a.ctx){case AugLoad:return out("$ret = Sk.abstr.gattr(",c,",'",d,"', true);"),this._checkSuspension(a),this._gr("lattr","$ret");case Load:return out("$ret = Sk.abstr.gattr(",e,",'",d,"', true);"),this._checkSuspension(a),this._gr("lattr","$ret");case AugStore:out("$ret = undefined;");out("if(",b,"!==undefined){");
+out("$ret = Sk.abstr.sattr(",c,",'",d,"',",b,", true);");out("}");this._checkSuspension(a);break;case Store:out("$ret = Sk.abstr.sattr(",e,",'",d,"',",b,", true);");this._checkSuspension(a);break;case Del:goog.asserts.fail("todo Del;");break;default:goog.asserts.fail("invalid attribute expression")}break;case Subscript:switch(a.ctx){case AugLoad:return out("$ret = Sk.abstr.objectGetItem(",c,",",d,", true);"),this._checkSuspension(a),this._gr("gitem","$ret");case Load:case Store:case Del:return this.vslice(a.slice,
+a.ctx,this.vexpr(a.value),b);case AugStore:out("$ret=undefined;");out("if(",b,"!==undefined){");out("$ret=Sk.abstr.objectSetItem(",c,",",d,",",b,", true)");out("}");this._checkSuspension(a);break;default:goog.asserts.fail("invalid subscript expression")}break;case Name:return this.nameop(a.id,a.ctx,b);case List:return this.ctuplelistorset(a,b,"list");case Tuple:return this.ctuplelistorset(a,b,"tuple");case Set:return this.ctuplelistorset(a,b,"set");default:goog.asserts.fail("unhandled case in vexpr")}};
+Compiler.prototype.vseqexpr=function(a,b){var c,d;goog.asserts.assert(void 0===b||a.length===b.length);d=[];for(c=0;c<a.length;++c)d.push(this.vexpr(a[c],void 0===b?void 0:b[c]));return d};
+Compiler.prototype.caugassign=function(a){var b,c,d,e,f;goog.asserts.assert(a instanceof AugAssign);f=a.target;switch(f.constructor){case Attribute:return b=this.vexpr(f.value),f=new Attribute(f.value,f.attr,AugLoad,f.lineno,f.col_offset),e=this.vexpr(f,void 0,b),d=this.vexpr(a.value),a=this._gr("inplbinopattr","Sk.abstr.numberInplaceBinOp(",e,",",d,",'",a.op.prototype._astname,"')"),f.ctx=AugStore,this.vexpr(f,a,b);case Subscript:return b=this.vexpr(f.value),c=this.vslicesub(f.slice),f=new Subscript(f.value,
+c,AugLoad,f.lineno,f.col_offset),e=this.vexpr(f,void 0,b,c),d=this.vexpr(a.value),a=this._gr("inplbinopsubscr","Sk.abstr.numberInplaceBinOp(",e,",",d,",'",a.op.prototype._astname,"')"),f.ctx=AugStore,this.vexpr(f,a,b,c);case Name:return b=this.nameop(f.id,Load),d=this.vexpr(a.value),a=this._gr("inplbinop","Sk.abstr.numberInplaceBinOp(",b,",",d,",'",a.op.prototype._astname,"')"),this.nameop(f.id,Store,a);default:goog.asserts.fail("unhandled case in augassign")}};
+Compiler.prototype.exprConstant=function(a){switch(a.constructor){case Num:return Sk.misceval.isTrue(a.n)?1:0;case Str:return Sk.misceval.isTrue(a.s)?1:0;default:return-1}};Compiler.prototype.newBlock=function(a){var b=this.u.blocknum++;this.u.blocks[b]=[];this.u.blocks[b]._name=a||"<unnamed>";this.u.blocks[b]._next=null;return b};Compiler.prototype.setBlock=function(a){goog.asserts.assert(0<=a&&a<this.u.blocknum);this.u.curblock=a};
+Compiler.prototype.pushBreakBlock=function(a){goog.asserts.assert(0<=a&&a<this.u.blocknum);this.u.breakBlocks.push(a)};Compiler.prototype.popBreakBlock=function(){this.u.breakBlocks.pop()};Compiler.prototype.pushContinueBlock=function(a){goog.asserts.assert(0<=a&&a<this.u.blocknum);this.u.continueBlocks.push(a)};Compiler.prototype.popContinueBlock=function(){this.u.continueBlocks.pop()};Compiler.prototype.pushExceptBlock=function(a){goog.asserts.assert(0<=a&&a<this.u.blocknum);this.u.exceptBlocks.push(a)};
+Compiler.prototype.popExceptBlock=function(){this.u.exceptBlocks.pop()};Compiler.prototype.pushFinallyBlock=function(a){goog.asserts.assert(0<=a&&a<this.u.blocknum);this.u.finallyBlocks.push(a)};Compiler.prototype.popFinallyBlock=function(){this.u.finallyBlocks.pop()};Compiler.prototype.setupExcept=function(a){out("$exc.push(",a,");")};Compiler.prototype.endExcept=function(){out("$exc.pop();")};
+Compiler.prototype.outputLocals=function(a){var b,c,d,e={};for(d=0;a.argnames&&d<a.argnames.length;++d)e[a.argnames[d]]=!0;a.localnames.sort();c=[];for(d=0;d<a.localnames.length;++d)b=a.localnames[d],void 0===e[b]&&(c.push(b),e[b]=!0);return 0<c.length?"var "+c.join(",")+"; /* locals */":""};
+Compiler.prototype.outputSuspensionHelpers=function(a){var b,c,d=[],e=a.localnames.concat(a.tempsToSave),f={},g=a.ste.blockType===FunctionBlock&&a.ste.childHasFree,h="var $wakeFromSuspension = function() {var susp = "+a.scopename+".wakingSuspension; delete "+a.scopename+".wakingSuspension;$blk=susp.$blk; $loc=susp.$loc; $gbl=susp.$gbl; $exc=susp.$exc; $err=susp.$err;currLineNo=susp.lineno; currColNo=susp.colno; Sk.lastYield=Date.now();"+(g?"$cell=susp.$cell;":"");for(b=0;b<e.length;b++)c=e[b],void 0===
+f[c]&&(h+=c+"=susp.$tmps."+c+";",f[c]=!0);h+="try { $ret=susp.child.resume(); } catch(err) { if (!(err instanceof Sk.builtin.BaseException)) { err = new Sk.builtin.ExternalError(err); } err.traceback.push({lineno: currLineNo, colno: currColNo, filename: '"+this.filename+"'}); if($exc.length>0) { $err=err; $blk=$exc.pop(); } else { throw err; } }};";h+="var $saveSuspension = function(child, filename, lineno, colno) {var susp = new Sk.misceval.Suspension(); susp.child=child;susp.resume=function(){"+
+a.scopename+".wakingSuspension=susp; return "+a.scopename+"("+(a.ste.generator?"$gen":"")+"); };susp.data=susp.child.data;susp.$blk=$blk;susp.$loc=$loc;susp.$gbl=$gbl;susp.$exc=$exc;susp.$err=$err;susp.filename=filename;susp.lineno=lineno;susp.colno=colno;susp.optional=child.optional;"+(g?"susp.$cell=$cell;":"");f={};for(b=0;b<e.length;b++)c=e[b],void 0===f[c]&&(d.push('"'+c+'":'+c),f[c]=!0);return h+="susp.$tmps={"+d.join(",")+"};return susp;};"};
+Compiler.prototype.outputAllUnits=function(){var a,b,c,d,e="",f,g;for(d=0;d<this.allUnits.length;++d){c=this.allUnits[d];e+=c.prefixCode;e+=this.outputLocals(c);c.doesSuspend&&(e+=this.outputSuspensionHelpers(c));e+=c.varDeclsCode;e+=c.switchCode;b=c.blocks;g=Object.create(null);for(a=0;a<b.length;++a)if(f=a,!(f in g))for(;;)if(g[f]=!0,e+="case "+f+": /* --- "+b[f]._name+" --- */",e+=b[f].join(""),null!==b[f]._next)if(b[f]._next in g){e+="/* jump */ continue;";break}else e+="/* allowing case fallthrough */",
+f=b[f]._next;else{e+="throw new Sk.builtin.SystemError('internal error: unterminated block');";break}e+=c.suffixCode}return e};
+Compiler.prototype.cif=function(a){var b,c,d;goog.asserts.assert(a instanceof If_);b=this.exprConstant(a.test);0===b?a.orelse&&0<a.orelse.length&&this.vseqstmt(a.orelse):1===b?this.vseqstmt(a.body):(d=this.newBlock("end of if"),a.orelse&&0<a.orelse.length&&(c=this.newBlock("next branch of if")),b=this.vexpr(a.test),a.orelse&&0<a.orelse.length?(this._jumpfalse(b,c),this.vseqstmt(a.body),this._jump(d),this.setBlock(c),this.vseqstmt(a.orelse)):(this._jumpfalse(b,d),this.vseqstmt(a.body)),this._jump(d),
+this.setBlock(d))};
+Compiler.prototype.cwhile=function(a){var b,c,d,e;0===this.exprConstant(a.test)?a.orelse&&this.vseqstmt(a.orelse):(e=this.newBlock("while test"),this._jump(e),this.setBlock(e),d=this.newBlock("after while"),c=0<a.orelse.length?this.newBlock("while orelse"):null,b=this.newBlock("while body"),this.annotateSource(a),this._jumpfalse(this.vexpr(a.test),c?c:d),this._jump(b),this.pushBreakBlock(d),this.pushContinueBlock(e),this.setBlock(b),this.vseqstmt(a.body),this._jump(e),this.popContinueBlock(),this.popBreakBlock(),
+0<a.orelse.length&&(this.setBlock(c),this.vseqstmt(a.orelse),this._jump(d)),this.setBlock(d))};
+Compiler.prototype.cfor=function(a){var b,c,d=this.newBlock("for start"),e=this.newBlock("for cleanup"),f=this.newBlock("for end");this.pushBreakBlock(f);this.pushContinueBlock(d);c=this.vexpr(a.iter);this.u.ste.generator?(b="$loc."+this.gensym("iter"),out(b,"=Sk.abstr.iter(",c,");")):(b=this._gr("iter","Sk.abstr.iter(",c,")"),this.u.tempsToSave.push(b));this._jump(d);this.setBlock(d);out("$ret = Sk.abstr.iternext(",b,this.u.canSuspend?", true":", false",");");this._checkSuspension(a);b=this._gr("next",
+"$ret");this._jumpundef(b,e);this.vexpr(a.target,b);this.vseqstmt(a.body);this._jump(d);this.setBlock(e);this.popContinueBlock();this.popBreakBlock();this.vseqstmt(a.orelse);this._jump(f);this.setBlock(f)};
+Compiler.prototype.craise=function(a){var b="";a.inst?(b=this.vexpr(a.inst),out("throw ",this.vexpr(a.type),"(",b,");")):a.type?a.type.func?out("throw ",this.vexpr(a.type),";"):(a=this._gr("err",this.vexpr(a.type)),out("if(",a," instanceof Sk.builtin.type) {","throw Sk.misceval.callsim(",a,");","} else if(typeof(",a,") === 'function') {","throw ",a,"();","} else {","throw ",a,";","}")):out("throw $err;")};
+Compiler.prototype.ctryexcept=function(a){var b,c,d,e,f,g,h,k=a.handlers.length,l=[];for(h=0;h<k;++h)l.push(this.newBlock("except_"+h+"_"));g=this.newBlock("unhandled");f=this.newBlock("orelse");e=this.newBlock("end");this.setupExcept(l[0]);this.vseqstmt(a.body);this.endExcept();this._jump(f);for(h=0;h<k;++h){this.setBlock(l[h]);d=a.handlers[h];if(!d.type&&h<k-1)throw new SyntaxError("default 'except:' must be last");d.type&&(b=this.vexpr(d.type),c=h==k-1?g:l[h+1],b=this._gr("instance","$err instanceof ",
+b),this._jumpfalse(b,c));d.name&&this.vexpr(d.name,"$err");this.vseqstmt(d.body);this._jump(e)}this.setBlock(g);out("throw $err;");this.setBlock(f);this.vseqstmt(a.orelse);this._jump(e);this.setBlock(e)};Compiler.prototype.ctryfinally=function(a){out("/*todo; tryfinally*/");this.ctryexcept(a.body[0])};Compiler.prototype.cassert=function(a){var b=this.vexpr(a.test),c=this.newBlock("end");this._jumptrue(b,c);out("throw new Sk.builtin.AssertionError(",a.msg?this.vexpr(a.msg):"",");");this.setBlock(c)};
+Compiler.prototype.cimportas=function(a,b,c){a=a.v;var d=a.indexOf("."),e=c;if(-1!==d)for(a=a.substr(d+1);-1!==d;)d=a.indexOf("."),c=-1!==d?a.substr(0,d):a,e=this._gr("lattr","Sk.abstr.gattr(",e,",'",c,"')"),a=a.substr(d+1);return this.nameop(b,Store,e)};
+Compiler.prototype.cimport=function(a){var b,c,d,e,f=a.names.length;for(e=0;e<f;++e)b=a.names[e],out("$ret = Sk.builtin.__import__(",b.name.$r().v,",$gbl,$loc,[]);"),this._checkSuspension(a),d=this._gr("module","$ret"),b.asname?this.cimportas(b.name,b.asname,d):(c=b.name,b=c.v.indexOf("."),-1!==b&&(c=new Sk.builtin.str(c.v.substr(0,b))),this.nameop(c,Store,d))};
+Compiler.prototype.cfromimport=function(a){var b,c,d,e,f,g=a.names.length;b=[];for(f=0;f<g;++f)b[f]=a.names[f].name.$r().v;out("$ret = Sk.builtin.__import__(",a.module.$r().v,",$gbl,$loc,[",b,"]);");this._checkSuspension(a);e=this._gr("module","$ret");for(f=0;f<g;++f){d=a.names[f];if(0===f&&"*"===d.name.v){goog.asserts.assert(1===g);out("Sk.importStar(",e,",$loc, $gbl);");break}c=this._gr("item","Sk.abstr.gattr(",e,",",d.name.$r().v,")");b=d.name;d.asname&&(b=d.asname);this.nameop(b,Store,c)}};
+Compiler.prototype.buildcodeobj=function(a,b,c,d,e){var f,g,h,k,l,m,p,n,r=[],q=null;f=null;c&&this.vseqexpr(c);d&&d.defaults&&(r=this.vseqexpr(d.defaults));d&&d.vararg&&(q=d.vararg);d&&d.kwarg&&(f=d.kwarg);c=this.enterScope(b,a,a.lineno,this.canSuspend);a=this.u.ste.generator;n=this.u.ste.hasFree;m=this.u.ste.childHasFree;l=this.newBlock("codeobj entry");this.u.prefixCode="var "+c+"=(function "+this.niceName(b.v)+"$(";h=[];if(a){if(f)throw new SyntaxError(b.v+"(): keyword arguments in generators not supported");
+if(q)throw new SyntaxError(b.v+"(): variable number of arguments in generators not supported");h.push("$gen")}else for(f&&(h.push("$kwa"),this.u.tempsToSave.push("$kwa")),k=0;d&&k<d.args.length;++k)h.push(this.nameop(d.args[k].id,Param));n&&(h.push("$free"),this.u.tempsToSave.push("$free"));this.u.prefixCode+=h.join(",");this.u.prefixCode+="){";a&&(this.u.prefixCode+="\n// generator\n");n&&(this.u.prefixCode+="\n// has free\n");m&&(this.u.prefixCode+="\n// has cell\n");p="{}";a&&(l="$gen.gi$resumeat",
+p="$gen.gi$locals");k="";m&&(k=a?",$cell=$gen.gi$cells":",$cell={}");this.u.varDeclsCode+="var $blk="+l+",$exc=[],$loc="+p+k+",$gbl=this,$err=undefined,$ret=undefined,currLineNo=undefined,currColNo=undefined;";null!==Sk.execLimit&&(this.u.varDeclsCode+="if (typeof Sk.execStart === 'undefined') {Sk.execStart = Date.now()}");null!==Sk.yieldLimit&&this.u.canSuspend&&(this.u.varDeclsCode+="if (typeof Sk.lastYield === 'undefined') {Sk.lastYield = Date.now()}");this.u.varDeclsCode+="if ("+c+".wakingSuspension!==undefined) { $wakeFromSuspension(); } else {";
+if(0<r.length)for(m=d.args.length-r.length,k=0;k<r.length;++k)l=this.nameop(d.args[k+m].id,Param),this.u.varDeclsCode+="if("+l+"===undefined)"+l+"="+c+".$defaults["+k+"];";for(k=0;d&&k<d.args.length;++k)l=d.args[k].id,this.isCell(l)&&(this.u.varDeclsCode+="$cell."+l.v+"="+l.v+";");a||(l=d?d.args.length-r.length:0,k=q?Infinity:d?d.args.length:0,this.u.varDeclsCode+='Sk.builtin.pyCheckArgs("'+b.v+'", arguments, '+l+", "+k+", "+(f?!0:!1)+", "+n+");");q&&(h=h.length,this.u.localnames.push(q.v),this.u.varDeclsCode+=
+q.v+"=new Sk.builtins['tuple'](Array.prototype.slice.call(arguments,"+h+")); /*vararg*/");f&&(this.u.localnames.push(f.v),this.u.varDeclsCode+=f.v+"=new Sk.builtins['dict']($kwa);");this.u.varDeclsCode+="}";this.u.switchCode="while(true){try{";this.u.switchCode+=this.outputInterruptTest();this.u.switchCode+="switch($blk){";this.u.suffixCode="} }catch(err){ if (!(err instanceof Sk.builtin.BaseException)) { err = new Sk.builtin.ExternalError(err); } err.traceback.push({lineno: currLineNo, colno: currColNo, filename: '"+
+this.filename+"'}); if ($exc.length>0) { $err = err; $blk=$exc.pop(); continue; } else { throw err; }} }});";e.call(this,c);if(d&&0<d.args.length){e=[];for(k=0;k<d.args.length;++k)e.push(d.args[k].id.v);g=e.join("', '");this.u.argnames=e}this.exitScope();0<r.length&&out(c,".$defaults=[",r.join(","),"];");g&&out(c,".co_varnames=['",g,"'];");f&&out(c,".co_kwargs=1;");g="";n&&(g=",$cell",(f=this.u.ste.hasFree)&&(g+=",$free"));return a?d&&0<d.args.length?this._gr("gener","new Sk.builtins['function']((function(){var $origargs=Array.prototype.slice.call(arguments);Sk.builtin.pyCheckArgs(\"",
+b.v,'",arguments,',d.args.length-r.length,",",d.args.length,");return new Sk.builtins['generator'](",c,",$gbl,$origargs",g,");}))"):this._gr("gener","new Sk.builtins['function']((function(){Sk.builtin.pyCheckArgs(\"",b.v,"\",arguments,0,0);return new Sk.builtins['generator'](",c,",$gbl,[]",g,");}))"):this._gr("funcobj","new Sk.builtins['function'](",c,",$gbl",g,")")};
+Compiler.prototype.cfunction=function(a){var b;goog.asserts.assert(a instanceof FunctionDef);b=this.buildcodeobj(a,a.name,a.decorator_list,a.args,function(b){this.vseqstmt(a.body);out("return Sk.builtin.none.none$;")});this.nameop(a.name,Store,b)};Compiler.prototype.clambda=function(a){goog.asserts.assert(a instanceof Lambda);return this.buildcodeobj(a,new Sk.builtin.str("<lambda>"),null,a.args,function(b){b=this.vexpr(a.body);out("return ",b,";")})};
+Compiler.prototype.cifexp=function(a){var b=this.newBlock("next of ifexp"),c=this.newBlock("end of ifexp"),d=this._gr("res","null"),e=this.vexpr(a.test);this._jumpfalse(e,b);out(d,"=",this.vexpr(a.body),";");this._jump(c);this.setBlock(b);out(d,"=",this.vexpr(a.orelse),";");this._jump(c);this.setBlock(c);return d};
+Compiler.prototype.cgenexpgen=function(a,b,c){var d,e,f,g=this.newBlock("start for "+b),h=this.newBlock("skip for "+b);this.newBlock("if cleanup for "+b);var k=this.newBlock("end for "+b),l=a[b];0===b?e="$loc.$iter0":(d=this.vexpr(l.iter),e="$loc."+this.gensym("iter"),out(e,"=","Sk.abstr.iter(",d,");"));this._jump(g);this.setBlock(g);this.annotateSource(c);out("$ret = Sk.abstr.iternext(",e,this.u.canSuspend?", true":", false",");");this._checkSuspension(c);d=this._gr("next","$ret");this._jumpundef(d,
+k);this.vexpr(l.target,d);f=l.ifs.length;for(e=0;e<f;++e)this.annotateSource(l.ifs[e]),d=this.vexpr(l.ifs[e]),this._jumpfalse(d,g);++b<a.length&&this.cgenexpgen(a,b,c);b>=a.length&&(this.annotateSource(c),a=this.vexpr(c),out("return [",h,"/*resume*/,",a,"/*ret*/];"),this.setBlock(h));this._jump(g);this.setBlock(k);1===b&&out("return Sk.builtin.none.none$;")};
+Compiler.prototype.cgenexp=function(a){var b=this.buildcodeobj(a,new Sk.builtin.str("<genexpr>"),null,null,function(b){this.cgenexpgen(a.generators,0,a.elt)}),b=this._gr("gener","Sk.misceval.callsim(",b,");");out(b,".gi$locals.$iter0=Sk.abstr.iter(",this.vexpr(a.generators[0].iter),");");return b};
+Compiler.prototype.cclass=function(a){var b,c,d;goog.asserts.assert(a instanceof ClassDef);d=this.vseqexpr(a.bases);c=this.enterScope(a.name,a,a.lineno);b=this.newBlock("class entry");this.u.prefixCode="var "+c+"=(function $"+a.name.v+"$class_outer($globals,$locals,$rest){var $gbl=$globals,$loc=$locals;";this.u.switchCode+="(function $"+a.name.v+"$_closure(){";this.u.switchCode+="var $blk="+b+",$exc=[],$ret=undefined,currLineNo=undefined,currColNo=undefined;";null!==Sk.execLimit&&(this.u.switchCode+=
+"if (typeof Sk.execStart === 'undefined') {Sk.execStart = Date.now()}");null!==Sk.yieldLimit&&this.u.canSuspend&&(this.u.switchCode+="if (typeof Sk.lastYield === 'undefined') {Sk.lastYield = Date.now()}");this.u.switchCode+="while(true){try{";this.u.switchCode+=this.outputInterruptTest();this.u.switchCode+="switch($blk){";this.u.suffixCode="}}catch(err){ if (!(err instanceof Sk.builtin.BaseException)) { err = new Sk.builtin.ExternalError(err); } err.traceback.push({lineno: currLineNo, colno: currColNo, filename: '"+
+this.filename+"'}); if ($exc.length>0) { $err = err; $blk=$exc.pop(); continue; } else { throw err; }}}";this.u.suffixCode+="}).apply(null,$rest);});";this.u.private_=a.name;this.cbody(a.body);out("return;");this.exitScope();b=this._gr("built","Sk.misceval.buildClass($gbl,",c,",",a.name.$r().v,",[",d,"])");this.nameop(a.name,Store,b)};
+Compiler.prototype.ccontinue=function(a){if(0===this.u.continueBlocks.length)throw new SyntaxError("'continue' outside loop");this._jump(this.u.continueBlocks[this.u.continueBlocks.length-1])};
+Compiler.prototype.vstmt=function(a){var b,c,d;this.u.lineno=a.lineno;this.u.linenoSet=!1;this.u.localtemps=[];Sk.debugging&&this.u.canSuspend&&(b=this.newBlock("debug breakpoint for line "+a.lineno),out("if (Sk.breakpoints('"+this.filename+"',"+a.lineno+","+a.col_offset+")) {","var $susp = $saveSuspension({data: {type: 'Sk.debug'}, resume: function() {}}, '"+this.filename+"',"+a.lineno+","+a.col_offset+");","$susp.$blk = "+b+";","$susp.optional = true;","return $susp;","}"),this._jump(b),this.setBlock(b),
+this.u.doesSuspend=!0);this.annotateSource(a);switch(a.constructor){case FunctionDef:this.cfunction(a);break;case ClassDef:this.cclass(a);break;case Return_:if(this.u.ste.blockType!==FunctionBlock)throw new SyntaxError("'return' outside function");a.value?out("return ",this.vexpr(a.value),";"):out("return Sk.builtin.none.none$;");break;case Delete_:this.vseqexpr(a.targets);break;case Assign:d=a.targets.length;c=this.vexpr(a.value);for(b=0;b<d;++b)this.vexpr(a.targets[b],c);break;case AugAssign:return this.caugassign(a);
+case Print:this.cprint(a);break;case For_:return this.cfor(a);case While_:return this.cwhile(a);case If_:return this.cif(a);case Raise:return this.craise(a);case TryExcept:return this.ctryexcept(a);case TryFinally:return this.ctryfinally(a);case Assert:return this.cassert(a);case Import_:return this.cimport(a);case ImportFrom:return this.cfromimport(a);case Global:break;case Expr:this.vexpr(a.value);break;case Pass:break;case Break_:if(0===this.u.breakBlocks.length)throw new SyntaxError("'break' outside loop");
+this._jump(this.u.breakBlocks[this.u.breakBlocks.length-1]);break;case Continue_:this.ccontinue(a);break;case Debugger_:out("debugger;");break;default:goog.asserts.fail("unhandled case in vstmt")}};Compiler.prototype.vseqstmt=function(a){var b;for(b=0;b<a.length;++b)this.vstmt(a[b])};var OP_FAST=0,OP_GLOBAL=1,OP_DEREF=2,OP_NAME=3,D_NAMES=0,D_FREEVARS=1,D_CELLVARS=2;Compiler.prototype.isCell=function(a){a=mangleName(this.u.private_,a).v;return this.u.ste.getScope(a)===CELL};
+Compiler.prototype.nameop=function(a,b,c){var d,e,f,g;if((b===Store||b===AugStore||b===Del)&&"__debug__"===a.v)throw new Sk.builtin.SyntaxError("can not assign to __debug__");if((b===Store||b===AugStore||b===Del)&&"None"===a.v)throw new Sk.builtin.SyntaxError("can not assign to None");if("None"===a.v)return"Sk.builtin.none.none$";if("True"===a.v)return"Sk.builtin.bool.true$";if("False"===a.v)return"Sk.builtin.bool.false$";if("NotImplemented"===a.v)return"Sk.builtin.NotImplemented.NotImplemented$";
+g=mangleName(this.u.private_,a).v;g=fixReservedNames(g);f=OP_NAME;e=this.u.ste.getScope(g);d=null;switch(e){case FREE:d="$free";f=OP_DEREF;break;case CELL:d="$cell";f=OP_DEREF;break;case LOCAL:this.u.ste.blockType!==FunctionBlock||this.u.ste.generator||(f=OP_FAST);break;case GLOBAL_IMPLICIT:this.u.ste.blockType===FunctionBlock&&(f=OP_GLOBAL);break;case GLOBAL_EXPLICIT:f=OP_GLOBAL}g=fixReservedWords(g);goog.asserts.assert(e||"_"===a.v.charAt(1));a=g;this.u.ste.generator||this.u.ste.blockType!==FunctionBlock?
+g="$loc."+g:f!==OP_FAST&&f!==OP_NAME||this.u.localnames.push(g);switch(f){case OP_FAST:switch(b){case Load:case Param:return out("if (",g," === undefined) { throw new Sk.builtin.UnboundLocalError('local variable \\'",g,"\\' referenced before assignment'); }\n"),g;case Store:out(g,"=",c,";");break;case Del:out("delete ",g,";");break;default:goog.asserts.fail("unhandled")}break;case OP_NAME:switch(b){case Load:return this._gr("loadname",g,"!==undefined?",g,":Sk.misceval.loadname('",a,"',$gbl);");case Store:out(g,
+"=",c,";");break;case Del:out("delete ",g,";");break;case Param:return g;default:goog.asserts.fail("unhandled")}break;case OP_GLOBAL:switch(b){case Load:return this._gr("loadgbl","Sk.misceval.loadname('",a,"',$gbl)");case Store:out("$gbl.",a,"=",c,";");break;case Del:out("delete $gbl.",a);break;default:goog.asserts.fail("unhandled case in name op_global")}break;case OP_DEREF:switch(b){case Load:return d+"."+a;case Store:out(d,".",a,"=",c,";");break;case Param:return a;default:goog.asserts.fail("unhandled case in name op_deref")}break;
+default:goog.asserts.fail("unhandled case")}};Compiler.prototype.enterScope=function(a,b,c,d){var e=new CompilerUnit;e.ste=this.st.getStsForAst(b);e.name=a;e.firstlineno=c;e.canSuspend=d||!1;this.u&&this.u.private_&&(e.private_=this.u.private_);this.stack.push(this.u);this.allUnits.push(e);a=this.gensym("scope");e.scopename=a;this.u=e;this.u.activateScope();this.nestlevel++;return a};
+Compiler.prototype.exitScope=function(){var a,b=this.u;this.nestlevel--;(this.u=0<=this.stack.length-1?this.stack.pop():null)&&this.u.activateScope();"<module>"!==b.name.v&&(a=b.name.$r().v,a=a.substring(1,a.length-1),a=fixReservedWords(a),a=fixReservedNames(a),out(b.scopename,".co_name=new Sk.builtins['str']('",a,"');"))};Compiler.prototype.cbody=function(a){var b;for(b=0;b<a.length;++b)this.vstmt(a[b])};
+Compiler.prototype.cprint=function(a){var b,c;goog.asserts.assert(a instanceof Print);a.dest&&this.vexpr(a.dest);c=a.values.length;for(b=0;b<c;++b)out("Sk.misceval.print_(","new Sk.builtins['str'](",this.vexpr(a.values[b]),").v);");a.nl&&out("Sk.misceval.print_(",'"\\n");')};
+Compiler.prototype.cmod=function(a){var b=this.enterScope(new Sk.builtin.str("<module>"),a,0,this.canSuspend),c=this.newBlock("module entry");this.u.prefixCode="var "+b+"=(function($modname){";this.u.varDeclsCode="var $gbl = {}, $blk="+c+",$exc=[],$loc=$gbl,$err=undefined;$gbl.__name__=$modname;$loc.__file__=new Sk.builtins.str('"+this.filename+"');var $ret=undefined,currLineNo=undefined,currColNo=undefined;";null!==Sk.execLimit&&(this.u.varDeclsCode+="if (typeof Sk.execStart === 'undefined') {Sk.execStart = Date.now()}");
+null!==Sk.yieldLimit&&this.u.canSuspend&&(this.u.varDeclsCode+="if (typeof Sk.lastYield === 'undefined') {Sk.lastYield = Date.now()}");this.u.varDeclsCode+="if ("+b+".wakingSuspension!==undefined) { $wakeFromSuspension(); }if (Sk.retainGlobals) {    if (Sk.globals) { $gbl = Sk.globals; Sk.globals = $gbl; $loc = $gbl; }    else { Sk.globals = $gbl; }} else { Sk.globals = $gbl; }";this.u.switchCode="while(true){try{";this.u.switchCode+=this.outputInterruptTest();this.u.switchCode+="switch($blk){";this.u.suffixCode=
+"}";this.u.suffixCode+="}catch(err){ if (!(err instanceof Sk.builtin.BaseException)) { err = new Sk.builtin.ExternalError(err); } err.traceback.push({lineno: currLineNo, colno: currColNo, filename: '"+this.filename+"'}); if ($exc.length>0) { $err = err; $blk=$exc.pop(); continue; } else { throw err; }} } });";switch(a.constructor){case Module:this.cbody(a.body);out("return $loc;");break;default:goog.asserts.fail("todo; unhandled case in compilerMod")}this.exitScope();this.result.push(this.outputAllUnits());
+return b};Sk.compile=function(a,b,c,d){var e=Sk.parse(b,a);c=Sk.astFromParse(e.cst,b,e.flags);var e=e.flags,f=Sk.symboltable(c,b);a=new Compiler(b,f,e,d,a);b=a.cmod(c);a=a.result.join("");return{funcname:b,code:a}};goog.exportSymbol("Sk.compile",Sk.compile);Sk.resetCompiler=function(){Sk.gensymcount=0};goog.exportSymbol("Sk.resetCompiler",Sk.resetCompiler);Sk.sysmodules=new Sk.builtin.dict([]);Sk.realsyspath=void 0;Sk.externalLibraryCache={};Sk.loadExternalLibraryInternal_=function(a,b){var c,d;if(null!=a){if(Sk.externalLibraryCache[a])return Sk.externalLibraryCache[a];c=new XMLHttpRequest;c.open("GET",a,!1);c.send();if(200===c.status)return d=c.responseText,b&&(c=document.createElement("script"),c.type="text/javascript",c.text=d,document.getElementsByTagName("head")[0].appendChild(c)),d}};
+Sk.loadExternalLibrary=function(a){var b,c,d,e,f,g;if(Sk.externalLibraryCache[a])return Sk.externalLibraryCache[a];if(b=Sk.externalLibraries&&Sk.externalLibraries[a]){c="string"===typeof b?b:b.path;if("string"!==typeof c)throw new Sk.builtin.ImportError("Invalid path specified for "+a);g=b.type;g||(g=(d=c.match(/\.(js|py)$/))&&d[1]);if(!g)throw new Sk.builtin.ImportError("Invalid file extension specified for "+a);d=Sk.loadExternalLibraryInternal_(c,!1);if(!d)throw new Sk.builtin.ImportError("Failed to load remote module '"+
+a+"'");if((e=b.dependencies)&&e.length)for(b=0;b<e.length;b++)if(f=Sk.loadExternalLibraryInternal_(e[b],!0),!f)throw new Sk.builtin.ImportError("Failed to load dependencies required for "+a);c="js"===g?{funcname:"$builtinmodule",code:d}:Sk.compile(d,c,"exec",!0);return Sk.externalLibraryCache[a]=c}};
+Sk.importSearchPathForName=function(a,b,c,d,e){var f,g=[],h=a.replace(/\./g,"/"),k,l;k=Sk.realsyspath.tp$iter();for(l=k.tp$iternext();void 0!==l;l=k.tp$iternext())g.push(l.v+"/"+h+b),g.push(l.v+"/"+h+"/__init__"+b);g.push(e+"/"+h+b);g.push(e+"/"+h+"/__init__"+b);f=0;return function p(){for(var b=function y(a){var b;return a instanceof Sk.misceval.Suspension?(b=new Sk.misceval.Suspension(void 0,a),b.resume=function(){try{return y(a.resume())}catch(b){return f++,p()}},b):{filename:g[f],code:a}},e;f<
+g.length;)try{return e=Sk.read(g[f]),d||(e=Sk.misceval.retryOptionalSuspensionOrThrow(e)),b(e)}catch(h){f++}if(c)return null;throw new Sk.builtin.ImportError("No module named "+a);}()};
+Sk.doOneTimeInitialization=function(){var a,b,c;Sk.builtin.type.basesStr_=new Sk.builtin.str("__bases__");Sk.builtin.type.mroStr_=new Sk.builtin.str("__mro__");for(a in Sk.builtin)if(b=Sk.builtin[a],(b.prototype instanceof Sk.builtin.object||b===Sk.builtin.object)&&!b.sk$abstract){c=[];for(var d=void 0,d=b.tp$base;void 0!==d;d=d.tp$base)c.push(d);b.$d=new Sk.builtin.dict([]);b.$d.mp$ass_subscript(Sk.builtin.type.basesStr_,new Sk.builtin.tuple(c));b.$d.mp$ass_subscript(Sk.builtin.type.mroStr_,new Sk.builtin.tuple([b]))}a=
+Sk.builtin.object.prototype;for(c=0;c<Sk.builtin.object.pythonFunctions.length;c++){b=Sk.builtin.object.pythonFunctions[c];if(a[b]instanceof Sk.builtin.func)break;a[b]=new Sk.builtin.func(a[b])}};Sk.importSetUpPath=function(){var a,b;if(!Sk.realsyspath){b=[new Sk.builtin.str("src/builtin"),new Sk.builtin.str("src/lib"),new Sk.builtin.str(".")];for(a=0;a<Sk.syspath.length;++a)b.push(new Sk.builtin.str(Sk.syspath[a]));Sk.realsyspath=new Sk.builtin.list(b);Sk.doOneTimeInitialization()}};
+if(COMPILED)var js_beautify=function(a){return a};
+Sk.importModuleInternal_=function(a,b,c,d,e,f){var g,h,k,l,m,p,n,r,q,t,y,v;Sk.importSetUpPath();void 0===c&&(c=a);v=null;y=c.split(".");try{return p=Sk.sysmodules.mp$subscript(c),1<y.length?Sk.sysmodules.mp$subscript(y[0]):p}catch(z){}if(1<y.length&&(t=y.slice(0,y.length-1).join("."),v=Sk.importModuleInternal_(t,b,void 0,void 0,e,f),v instanceof Sk.misceval.Suspension))return function w(g){return g instanceof Sk.misceval.Suspension?new Sk.misceval.Suspension(w,g):Sk.importModuleInternal_(a,b,c,d,
+e,f)}(v);q=new Sk.builtin.module;Sk.sysmodules.mp$ass_subscript(a,q);if(d)n=a+".py",p=Sk.compile(d,n,"exec",e);else{if(Sk.onBeforeImport&&"function"===typeof Sk.onBeforeImport){p=Sk.onBeforeImport(a);if(!1===p)throw new Sk.builtin.ImportError("Importing "+a+" is not allowed");if("string"===typeof p)throw new Sk.builtin.ImportError(p);}(p=Sk.loadExternalLibrary(a))?n=Sk.externalLibraries?Sk.externalLibraries[a].path:"unknown":(p=Sk.importSearchPathForName(a,".js",!0,e,f),p=function E(b){if(b instanceof
+Sk.misceval.Suspension)return new Sk.misceval.Suspension(E,b);if(b)return n=b.filename,r?Sk.compile(b.code,b.filename,"exec",e):{funcname:"$builtinmodule",code:b.code};goog.asserts.assert(!r,"Sk.importReadFileFromPath did not throw when loading Python file failed");r=!0;return E(Sk.importSearchPathForName(a,".py",!1,e,f))}(p))}return function x(d){if(d instanceof Sk.misceval.Suspension)return e?new Sk.misceval.Suspension(x,d):Sk.misceval.retryOptionalSuspensionOrThrow(d);m=q.$js=d.code;null==n&&(n=
+d.filename);null!=Sk.dateSet&&Sk.dateSet||(m="Sk.execStart = Sk.lastYield = new Date();\n"+d.code,Sk.dateSet=!0);b&&(l=function(a){var b,c,d=js_beautify(a).split("\n");for(c=1;c<=d.length;++c){b=(""+c).length;for(a="";5>b;++b)a+=" ";d[c-1]="/* "+a+c+" */ "+d[c-1]}return d.join("\n")},m=l(m),Sk.debugout(m));k="new Sk.builtin.str('"+c+"')";m+="\n"+d.funcname+"("+k+");";h=goog.global.eval(m);return function C(b){if(b instanceof Sk.misceval.Suspension){if(e)return new Sk.misceval.Suspension(C,b);b=Sk.misceval.retryOptionalSuspensionOrThrow(b,
+'Module "'+c+'" suspended or blocked during load, and it was loaded somewhere that does not permit this')}b.__name__||(b.__name__=new Sk.builtin.str(c));b.__path__=new Sk.builtin.str(n);q.$d=b;b.__doc__||(b.__doc__=Sk.builtin.none.none$);if(Sk.onAfterImport&&"function"===typeof Sk.onAfterImport)try{Sk.onAfterImport(a)}catch(d){}return v?(g=Sk.sysmodules.mp$subscript(t),g.tp$setattr(y[y.length-1],q),v):q}(h)}(p)};Sk.importModule=function(a,b,c){return Sk.importModuleInternal_(a,b,void 0,void 0,c)};
+Sk.importMain=function(a,b,c){Sk.dateSet=!1;Sk.filesLoaded=!1;Sk.sysmodules=new Sk.builtin.dict([]);Sk.realsyspath=void 0;Sk.resetCompiler();return Sk.importModuleInternal_(a,b,"__main__",void 0,c)};Sk.importMainWithBody=function(a,b,c,d){Sk.dateSet=!1;Sk.filesLoaded=!1;Sk.sysmodules=new Sk.builtin.dict([]);Sk.realsyspath=void 0;Sk.resetCompiler();return Sk.importModuleInternal_(a,b,"__main__",c,d)};
+Sk.builtin.__import__=function(a,b,c,d){var e=Sk.globals,f=void 0===c.__file__?void 0:c.__file__.v.substring(0,c.__file__.v.lastIndexOf("/"));return function h(b){if(b instanceof Sk.misceval.Suspension)return new Sk.misceval.Suspension(h,b);e!==Sk.globals&&(Sk.globals=e);if(d&&0!==d.length){var c,m,p,n=a.split("."),n=n[n.length-1];for(c=0;c<d.length;c++)p=d[c],"*"==p||(null!=b.$d[p]||null==b.$d[n]&&b.$d.__name__.v!=n)||(m=""+a+"."+p,m=Sk.importModuleInternal_(m,void 0,void 0,void 0,!0,f),b.$d[p]=
+m)}else return b;b=Sk.sysmodules.mp$subscript(a);goog.asserts.assert(b);return b}(Sk.importModuleInternal_(a,void 0,void 0,void 0,!0,f))};Sk.importStar=function(a,b,c){var d,e=c.__name__,f=Object.getOwnPropertyNames(a.$d);for(d in f)b[f[d]]=a.$d[f[d]];c.__name__!==e&&(c.__name__=e)};goog.exportSymbol("Sk.importMain",Sk.importMain);goog.exportSymbol("Sk.importMainWithBody",Sk.importMainWithBody);goog.exportSymbol("Sk.builtin.__import__",Sk.builtin.__import__);goog.exportSymbol("Sk.importStar",Sk.importStar);Sk.builtin.timSort=function(a,b){this.list=new Sk.builtin.list(a.v);this.MIN_GALLOP=7;this.listlength=b?b:a.sq$length()};Sk.builtin.timSort.prototype.lt=function(a,b){return Sk.misceval.richCompareBool(a,b,"Lt")};Sk.builtin.timSort.prototype.le=function(a,b){return!this.lt(b,a)};Sk.builtin.timSort.prototype.setitem=function(a,b){this.list.v[a]=b};
+Sk.builtin.timSort.prototype.binary_sort=function(a,b){var c,d,e,f,g;for(g=a.base+b;g<a.base+a.len;g++){f=a.base;e=g;for(c=a.getitem(e);f<e;)d=f+(e-f>>1),this.lt(c,a.getitem(d))?e=d:f=d+1;goog.asserts.assert(f===e);for(d=g;d>f;d--)a.setitem(d,a.getitem(d-1));a.setitem(f,c)}};
+Sk.builtin.timSort.prototype.count_run=function(a){var b,c,d;if(1>=a.len)b=a.len,d=!1;else if(b=2,this.lt(a.getitem(a.base+1),a.getitem(a.base)))for(d=!0,c=a.base+2;c<a.base+a.len;c++)if(this.lt(a.getitem(c),a.getitem(c-1)))b++;else break;else for(d=!1,c=a.base+2;c<a.base+a.len&&!this.lt(a.getitem(c),a.getitem(c-1));c++)b++;return{run:new Sk.builtin.listSlice(a.list,a.base,b),descending:d}};
+Sk.builtin.timSort.prototype.sort=function(){var a,b,c,d=new Sk.builtin.listSlice(this.list,0,this.listlength);if(!(2>d.len)){this.merge_init();for(a=this.merge_compute_minrun(d.len);0<d.len;)b=this.count_run(d),b.descending&&b.run.reverse(),b.run.len<a&&(c=b.run.len,b.run.len=a<d.len?a:d.len,this.binary_sort(b.run,c)),d.advance(b.run.len),this.pending.push(b.run),this.merge_collapse();goog.asserts.assert(d.base==this.listlength);this.merge_force_collapse();goog.asserts.assert(1==this.pending.length);
+goog.asserts.assert(0===this.pending[0].base);goog.asserts.assert(this.pending[0].len==this.listlength)}};
+Sk.builtin.timSort.prototype.gallop=function(a,b,c,d){var e,f,g,h,k;goog.asserts.assert(0<=c&&c<b.len);e=this;d=d?function(a,b){return e.le(a,b)}:function(a,b){return e.lt(a,b)};f=b.base+c;g=0;h=1;if(d(b.getitem(f),a)){for(k=b.len-c;h<k;)if(d(b.getitem(f+h),a)){g=h;try{h=(h<<1)+1}catch(l){h=k}}else break;h>k&&(h=k);g+=c;h+=c}else{for(k=c+1;h<k&&!d(b.getitem(f-h),a);){g=h;try{h=(h<<1)+1}catch(m){h=k}}h>k&&(h=k);f=c-g;g=c-h;h=f}goog.asserts.assert(-1<=g<h<=b.len);for(g+=1;g<h;)c=g+(h-g>>1),d(b.getitem(b.base+
+c),a)?g=c+1:h=c;goog.asserts.assert(g==h);return h};Sk.builtin.timSort.prototype.merge_init=function(){this.min_gallop=this.MIN_GALLOP;this.pending=[]};
+Sk.builtin.timSort.prototype.merge_lo=function(a,b){var c,d,e,f,g;goog.asserts.assert(0<a.len&&0<b.len&&a.base+a.len==b.base);c=this.min_gallop;d=a.base;a=a.copyitems();try{if(this.setitem(d,b.popleft()),d++,1!=a.len&&0!==b.len)for(;;){for(f=e=0;;)if(this.lt(b.getitem(b.base),a.getitem(a.base))){this.setitem(d,b.popleft());d++;if(0===b.len)return;f++;e=0;if(f>=c)break}else{this.setitem(d,a.popleft());d++;if(1==a.len)return;e++;f=0;if(e>=c)break}for(c+=1;;){this.min_gallop=c-=1<c;e=this.gallop(b.getitem(b.base),
+a,0,!0);for(g=a.base;g<a.base+e;g++)this.setitem(d,a.getitem(g)),d++;a.advance(e);if(1>=a.len)return;this.setitem(d,b.popleft());d++;if(0===b.len)return;f=this.gallop(a.getitem(a.base),b,0,!1);for(g=b.base;g<b.base+f;g++)this.setitem(d,b.getitem(g)),d++;b.advance(f);if(0===b.len)return;this.setitem(d,a.popleft());d++;if(1==a.len)return;if(e<this.MIN_GALLOP&&f<this.MIN_GALLOP)break;c++;this.min_gallop=c}}}finally{goog.asserts.assert(0<=a.len&&0<=b.len);for(g=b.base;g<b.base+b.len;g++)this.setitem(d,
+b.getitem(g)),d++;for(g=a.base;g<a.base+a.len;g++)this.setitem(d,a.getitem(g)),d++}};
+Sk.builtin.timSort.prototype.merge_hi=function(a,b){var c,d,e,f,g,h,k,l;goog.asserts.assert(0<a.len&&0<b.len&&a.base+a.len==b.base);c=this.min_gallop;d=b.base+b.len;b=b.copyitems();try{if(d--,this.setitem(d,a.popright()),0!==a.len&&1!=b.len)for(;;){for(f=e=0;;)if(g=a.getitem(a.base+a.len-1),h=b.getitem(b.base+b.len-1),this.lt(h,g)){d--;this.setitem(d,g);a.len--;if(0===a.len)return;e++;f=0;if(e>=c)break}else{d--;this.setitem(d,h);b.len--;if(1==b.len)return;f++;e=0;if(f>=c)break}for(c+=1;;){this.min_gallop=
+c-=1<c;h=b.getitem(b.base+b.len-1);k=this.gallop(h,a,a.len-1,!0);e=a.len-k;for(l=a.base+a.len-1;l>a.base+k-1;l--)d--,this.setitem(d,a.getitem(l));a.len-=e;if(0===a.len)return;d--;this.setitem(d,b.popright());if(1==b.len)return;g=a.getitem(a.base+a.len-1);k=this.gallop(g,b,b.len-1,!1);f=b.len-k;for(l=b.base+b.len-1;l>b.base+k-1;l--)d--,this.setitem(d,b.getitem(l));b.len-=f;if(1>=b.len)return;d--;this.setitem(d,a.popright());if(0===a.len)return;if(e<this.MIN_GALLOP&&f<this.MIN_GALLOP)break;c++;this.min_gallop=
+c}}}finally{goog.asserts.assert(0<=a.len&&0<=b.len);for(l=a.base+a.len-1;l>a.base-1;l--)d--,this.setitem(d,a.getitem(l));for(l=b.base+b.len-1;l>b.base-1;l--)d--,this.setitem(d,b.getitem(l))}};
+Sk.builtin.timSort.prototype.merge_at=function(a){var b,c;0>a&&(a=this.pending.length+a);b=this.pending[a];c=this.pending[a+1];goog.asserts.assert(0<b.len&&0<c.len);goog.asserts.assert(b.base+b.len==c.base);this.pending[a]=new Sk.builtin.listSlice(this.list,b.base,b.len+c.len);this.pending.splice(a+1,1);a=this.gallop(c.getitem(c.base),b,0,!0);b.advance(a);0!==b.len&&(c.len=this.gallop(b.getitem(b.base+b.len-1),c,c.len-1,!1),0!==c.len&&(b.len<=c.len?this.merge_lo(b,c):this.merge_hi(b,c)))};
+Sk.builtin.timSort.prototype.merge_collapse=function(){for(var a=this.pending;1<a.length;)if(3<=a.length&&a[a.length-3].len<=a[a.length-2].len+a[a.length-1].len)a[a.length-3].len<a[a.length-1].len?this.merge_at(-3):this.merge_at(-2);else if(a[a.length-2].len<=a[a.length-1].len)this.merge_at(-2);else break};Sk.builtin.timSort.prototype.merge_force_collapse=function(){for(var a=this.pending;1<a.length;)3<=a.length&&a[a.length-3].len<a[a.length-1].len?this.merge_at(-3):this.merge_at(-2)};
+Sk.builtin.timSort.prototype.merge_compute_minrun=function(a){for(var b=0;64<=a;)b|=a&1,a>>=1;return a+b};Sk.builtin.listSlice=function(a,b,c){this.list=a;this.base=b;this.len=c};Sk.builtin.listSlice.prototype.copyitems=function(){var a=this.base,b=this.base+this.len;goog.asserts.assert(0<=a<=b);return new Sk.builtin.listSlice(new Sk.builtin.list(this.list.v.slice(a,b)),0,this.len)};Sk.builtin.listSlice.prototype.advance=function(a){this.base+=a;this.len-=a;goog.asserts.assert(this.base<=this.list.sq$length())};
+Sk.builtin.listSlice.prototype.getitem=function(a){return this.list.v[a]};Sk.builtin.listSlice.prototype.setitem=function(a,b){this.list.v[a]=b};Sk.builtin.listSlice.prototype.popleft=function(){var a=this.list.v[this.base];this.base++;this.len--;return a};Sk.builtin.listSlice.prototype.popright=function(){this.len--;return this.list.v[this.base+this.len]};
+Sk.builtin.listSlice.prototype.reverse=function(){for(var a,b,c=this.list,d=this.base,e=d+this.len-1;d<e;)a=c.v[e],b=c.v[d],c.v[d]=a,c.v[e]=b,d++,e--};goog.exportSymbol("Sk.builtin.listSlice",Sk.builtin.listSlice);goog.exportSymbol("Sk.builtin.timSort",Sk.builtin.timSort);Sk.builtin.sorted=function(a,b,c,d){var e,f,g;if(void 0===d)d=!1;else{if(d instanceof Sk.builtin.float_)throw new Sk.builtin.TypeError("an integer is required, got float");if(d instanceof Sk.builtin.int_||d.prototype instanceof Sk.builtin.int_)d=Sk.misceval.isTrue(d);else throw new Sk.builtin.TypeError("an integer is required");}if(void 0===c||c instanceof Sk.builtin.none)b instanceof Sk.builtin.none||void 0===b||(g=b);else for(g=b instanceof Sk.builtin.none||void 0===b?function(a,b){return Sk.misceval.richCompareBool(a[0],
+b[0],"Lt")?new Sk.builtin.int_(-1):new Sk.builtin.int_(0)}:function(a,c){return Sk.misceval.callsim(b,a[0],c[0])},f=a.tp$iter(),e=f.tp$iternext(),a=[];void 0!==e;)a.push([Sk.misceval.callsim(c,e),e]),e=f.tp$iternext();a=new Sk.builtin.list(a);void 0!==g?a.list_sort_(a,g):a.list_sort_(a);d&&a.list_reverse_(a);if(void 0!==c&&!(c instanceof Sk.builtin.none)){f=a.tp$iter();e=f.tp$iternext();for(a=[];void 0!==e;)a.push(e[1]),e=f.tp$iternext();a=new Sk.builtin.list(a)}return a};Sk.builtins={range:Sk.builtin.range,round:Sk.builtin.round,len:Sk.builtin.len,min:Sk.builtin.min,max:Sk.builtin.max,sum:Sk.builtin.sum,zip:Sk.builtin.zip,abs:Sk.builtin.abs,fabs:Sk.builtin.abs,ord:Sk.builtin.ord,chr:Sk.builtin.chr,hex:Sk.builtin.hex,oct:Sk.builtin.oct,bin:Sk.builtin.bin,dir:Sk.builtin.dir,repr:Sk.builtin.repr,open:Sk.builtin.open,isinstance:Sk.builtin.isinstance,hash:Sk.builtin.hash,getattr:Sk.builtin.getattr,float_$rw$:Sk.builtin.float_,int_$rw$:Sk.builtin.int_,hasattr:Sk.builtin.hasattr,
+map:Sk.builtin.map,filter:Sk.builtin.filter,reduce:Sk.builtin.reduce,sorted:Sk.builtin.sorted,bool:Sk.builtin.bool,any:Sk.builtin.any,all:Sk.builtin.all,enumerate:Sk.builtin.enumerate,AttributeError:Sk.builtin.AttributeError,ValueError:Sk.builtin.ValueError,Exception:Sk.builtin.Exception,ZeroDivisionError:Sk.builtin.ZeroDivisionError,AssertionError:Sk.builtin.AssertionError,ImportError:Sk.builtin.ImportError,IndentationError:Sk.builtin.IndentationError,IndexError:Sk.builtin.IndexError,KeyError:Sk.builtin.KeyError,
+TypeError:Sk.builtin.TypeError,NameError:Sk.builtin.NameError,IOError:Sk.builtin.IOError,NotImplementedError:Sk.builtin.NotImplementedError,StandardError:Sk.builtin.StandardError,SystemExit:Sk.builtin.SystemExit,OverflowError:Sk.builtin.OverflowError,OperationError:Sk.builtin.OperationError,RuntimeError:Sk.builtin.RuntimeError,StopIteration:Sk.builtin.StopIteration,dict:Sk.builtin.dict,file:Sk.builtin.file,"function":Sk.builtin.func,generator:Sk.builtin.generator,list:Sk.builtin.list,long_$rw$:Sk.builtin.lng,
+method:Sk.builtin.method,object:Sk.builtin.object,slice:Sk.builtin.slice,str:Sk.builtin.str,set:Sk.builtin.set,tuple:Sk.builtin.tuple,type:Sk.builtin.type,input:Sk.builtin.input,raw_input:Sk.builtin.raw_input,setattr:Sk.builtin.setattr,jseval:Sk.builtin.jseval,jsmillis:Sk.builtin.jsmillis,quit:Sk.builtin.quit,exit:Sk.builtin.quit,print:Sk.builtin.print,divmod:Sk.builtin.divmod,format:Sk.builtin.format,globals:Sk.builtin.globals,issubclass:Sk.builtin.issubclass,iter:Sk.builtin.iter,complex:Sk.builtin.complex,
+bytearray:Sk.builtin.bytearray,callable:Sk.builtin.callable,delattr:Sk.builtin.delattr,eval_$rn$:Sk.builtin.eval_,execfile:Sk.builtin.execfile,frozenset:Sk.builtin.frozenset,help:Sk.builtin.help,locals:Sk.builtin.locals,memoryview:Sk.builtin.memoryview,next:Sk.builtin.next_,pow:Sk.builtin.pow,property:Sk.builtin.property,reload:Sk.builtin.reload,reversed:Sk.builtin.reversed,"super":Sk.builtin.superbi,unichr:Sk.builtin.unichr,vars:Sk.builtin.vars,xrange:Sk.builtin.xrange,apply_$rn$:Sk.builtin.apply_,
+buffer:Sk.builtin.buffer,coerce:Sk.builtin.coerce,intern:Sk.builtin.intern};goog.exportSymbol("Sk.builtins",Sk.builtins);Sk.builtin.str.$emptystr=new Sk.builtin.str("");Sk.builtin.bool.true$=Object.create(Sk.builtin.bool.prototype,{v:{value:1,enumerable:!0}});Sk.builtin.bool.false$=Object.create(Sk.builtin.bool.prototype,{v:{value:0,enumerable:!0}});Sk.builtin.int_.co_varnames=["base"];Sk.builtin.int_.co_numargs=2;Sk.builtin.int_.$defaults=[new Sk.builtin.int_(10)];Sk.builtin.lng.co_varnames=["base"];Sk.builtin.lng.co_numargs=2;Sk.builtin.lng.$defaults=[new Sk.builtin.int_(10)];
+Sk.builtin.sorted.co_varnames=["cmp","key","reverse"];Sk.builtin.sorted.co_numargs=4;Sk.builtin.sorted.$defaults=[Sk.builtin.none.none$,Sk.builtin.none.none$,Sk.builtin.bool.false$];}());