[jashkenas]

For the curious, here's eight other fun implementations of "Python in JavaScript" to explore:

https://github.com/jashkenas/coffee-script/wiki/List-of-lang...

[javis]

One not mentioned in that list is Empythoned, which is the actual CPython engine compiled to JS using Emscripten.

Repo: https://github.com/replit/empythoned

Live demo: http://repl.it/languages/Python