This post explains what a Python module is and how to use it to drastically extend the capabiltiies of your code. Plus: how to make your own!

Cinder is Meta's performance-oriented version of Python that allows Instagram to run at global scale, while Pyre is a performant type-checker used by thousands of Python developers in Meta.

In the first half of 2020, Pysa detected 44% of all security bugs in Instagram's server-side Python code.