Microsoft plans to enable the Python and Ruby languages to be used for client-side development of rich Internet applications that leverage the company’s Silverlight browser plug-in technology ...

A new project from Anaconda delivers the Python runtime in a web page, via a single JS include, and with access to many popular Python packages.

In the December update to Python in Visual Studio Code, developers can experiment with a new preview feature that lets them run and debug Python code in the browser.

Guido van Rossum, the creator of the hugely popular Python programming language, has given his thoughts on the language for the browser, mobile devices, and upcoming rivals like Julia.

It's possible to take a step further with a browser extension, but this is a basic Python project that hosts a web page that you can drag and drop a file on for a visualizer.