Once you know how to add and use a Python module, you will greatly extend the capabilities of the language. A Python module is an external class or set of functions that exist outside the main file of ...

Python functions are more than just reusable code blocks—they’re the foundation for writing clean, modular, and maintainable programs. By mastering functions, you can break down complex problems, ...

Learn how Mypy's type checking works with functions and generators. In my last two articles I've described some of the ways Mypy, a type checker for Python, can help identify potential problems with ...

If you’re an AP Computer Science student using CodeHS, you’re about to get a significant upgrade: the platform is refreshing its Python curriculum for Fall 2026 with improved autograders, clearer ...

Python is best thought of as a dynamic but strongly typed language. Types aren’t associated with the names of things, but with the things themselves. This makes Python flexible and convenient for ...

The Python programming language, despite its ease of use, offers a depth of useful functions, modules and data structures. One of these data structures, the "dictionary" data structure, functions as a ...