This post explains how to use a Python function call, how to pass variables, and how to use these features to build powerful, flexible programs.

Libraries are collections of shared code. They're common in Python, where they're also called "modules," but they're also ...

In Python, the mere act of making a function call incurs a relatively large amount of overhead. If some function is called repeatedly in a tight loop, even if it isn’t a long-running function ...