Functions and classes are the most common things we use in our daily development. We invoke them, pass them around and yet never wonder what makes them so amazing. Well the short answer is **callable ...

Python supports many types of parameters -- positional, with defaults, keyword only, var-args, var-keyword-args. The intended signature can not always be unambiguously derived from the declaration ...

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 ...