This Python tutorial explains how functions work and why they are essential for writing reusable, organized code. The lesson begins with creating a basic function using the def keyword, calling it, ...

Python supports default values for arguments to functions, but those defaults are evaluated at function-definition time. A proposal to add defaults that are evaluated when the function is called has ...

A recent thread on the python-ideas mailing list explores adding a feature to Python, which is the normal fare for that forum. The problem being addressed is real, but may not be the highest-priority ...