Unify Python REPL

[iamanigeeit]

Currently we have both Brython and Trinket in our webpage. Maybe we can just choose one of them or use something else.

[kurniawano]

@iamanigeeit , currently, some of the features maybe different between the two. If you can list down all the codes and make sure that it can use either one only, then we can unify this.

[iamanigeeit]

@kurniawano
I've hacked our Brython install to make it store variables in the session state so that we don't have to repeat previously run code blocks. Brython is also more lightweight since it just transpiles Python to JS, but it can't import 3rd-party libs like pandas. Trinket cannot share vars across code blocks unless put in __main__ and it's slow because the backend is Trinket servers.

The best solution is actually to embed a JupyterLite iframe with custom CSS so that it looks integrated with the page. If you agree, I can port the pages over after we settle the other issues.