Without functions all we have are attributes of objects. Functions are where variables live. This extract from Programmer's Python: Everything is an Object explains that functions bring something new ...

Learning how to define a function in Python is one of the most important steps to mastering the language. Functions are blocks of code that perform a specific task and can be “called” from any point ...

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 ...