The updated Python extension is available for download from Microsoft's Visual Studio Code (VS Code) marketplace, where it's currently the most popular programming language by a long mile.

Code cells from Python scripts by default will still be executed in a same interactive window, but developers can now configure the Python extension to run separate files in separate interactive ...

Unfortunately, the Python extensions, which need a language server, and Debug and Run functionality for any language, are absent from Visual Studio Code for the Web.