A Python module is an external class or set of functions that exist outside the main file of your program. This can be something that you built yourself, or it can be provided by the community.

Learn which Python standard library modules are headed for the boneyard in Python 3.13, and how to replace them.

Cython generates the second kind of module: C libraries that talk to Python’s internals, and that can be bundled with existing Python code. Cython code looks a lot like Python code, by design.

What is Python? This post answers that question and walks you through the basics. Set up a coding environment and build your first simple app!