Summary  
This chapter covers how to define and invoke functions, including specifying parameters and return values to encapsulate and reuse logic.  

General domain of usage  
Data processing

A beginner-friendly course introducing the fundamentals of Python programming, covering syntax, data types, control flow, functions, and basic data structures.

Get started with Python, its uses, and basic syntax.

Understand variables, assignment, and Python's basic data types.

Learn how to control the flow of your programs using conditions and loops.

Define reusable code with functions and work with lists and dictionaries.

Apply your knowledge to solve simple problems and interact with users.

Defining Functions

Defining Functions