Comments are sections of code that are ignored by python when your code runs. But they are still really useful for making your code easier to read, understand, debug and improve.
This tutorial explains 5 ways that comments can help you as you learn to code in python. It guides you through what a comment is and how to use them effectively in your own programs.
Page 2: The theory: learn what you need to know as fast as possible.
Page 3: Try it: try out and adapt some working python code snippets.
Page 4: Debug it: Learn how to find and fix common mistakes.
Page 5: Extend it: Choose a project idea to use your newfound python skills.