As for python being supported in the browser, I think you're looking for something like https://skulpt.org/. I haven't used it though, but you'll need to learn how to use libraries first. Source: almost 1 year ago

It's a simple editor, but looks like it would be good for beginners and should work on Chromebooks and mobile devices. It appears to be a React single page app that uses Skulpt behind the scenes. Source: about 1 year ago

We ended Part 2 by asking the questions: once we've created an object x, how and why does its 'lifetime' end? In this article, we'll learn the answers by exploring how CPython frees objects from memory. CPython isn't the only implementation of Python - for example, there's Skulpt, which Anvil uses to run Python in the browser - but it's the one we'll focus on specifically for this article. - Source: dev.to / almost 2 years ago

I currently use Skulpt for in-browser Python tutorials, how does this compare to that? Source: about 2 years ago

It's great to see more options for Python in the browser but the ecosystem has existed for a while. If anyone is interested, there are some cool Python-in-the-browser implementations like Brython and Skulpt that are worth checking out. Source: about 2 years ago

The project is made with Flutter a Google UI framework created in 2017 It uses the Google back-end language Dart created in 2011, Dart. - Source: dev.to / about 2 years ago