Functions Recap and Cheat Sheet

What is a Function?

A function is a reusable block of code that’s given a name. Functions should accomplish one programming task, and do that task very well. They allow us to keep our code clean and DRY - dry meaning "Don’t Repeat Yourself".

How to Write a Function

Functions are notated by the keyword def, the name of the function, a set of parentheses, and then a colon. After...