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.

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.

A new Test Explorer highlights the February release of the Python extension for Visual Studio Code, by far the most popular tool in the marketplace, installed more than 6.5 million times.