Python Functions Explained: Parameters, Arguments, Defaults, and Keyword Arguments

A developer documenting their Python learning journey walks through the fundamentals of functions. The article explains how functions are defined with the def keyword and how parameters differ from arguments. It covers positional arguments, default values that can be overridden, and keyword arguments, noting that a required parameter cannot follow one with a default value. The piece also describes the pass placeholder statement and contrasts print() with return, using a simple sum example.