How does Udacity web Python interpreter work?

Question

Udacity gives students a web editor to enter Python programs. The editor recognizes Python keywords and built-in functions and allows to run a program. Do you know how this tech

Answer 1

I haven't tried Udacity, but for the syntax highlighting parts, it can be easily done with a simple backend code, which is updated using some Ajax. One of the easiest ways can be used as lexical analyzing as in compilers or interpreters ..