This is a preview of Python Basics Exercises: Functions and Loops video course. Functions serve as the fundamental building blocks in almost every Python program. You now know that functions are crucial for breaking down code into smaller, manageable chunks.

In this preview you’ll practice creating user-defined functions and implementing for loops.

This is a portion of the complete course, which you can find here:
https://realpython.com/courses/python...

The rest of the course covers:
- Working with user input
- Challenging yourself to build a small app that tracks an investment