You’ll learn how to set up a Python project with a PyO3 create, how to expose Rust functions as a Python module, and how to create Python objects like classes and exceptions in Rust.

Python 3.13 introduced the first public, if experimental, “free-threaded” or “no-GIL” builds of the language, which we’ll call “3.13t.” 3.13t allows CPU-bound Python threads to run with true ...