The Complete Python Course - What Are Functions?

The video tutorial introduces the concept of functions in Python, explaining how they are organized blocks of reusable code. It covers different types of function arguments, including required, arbitrary, and default keywords. The tutorial also discusses recursion and the return statement. Examples are provided to illustrate how functions can simplify code by avoiding repetition. The syntax for defining functions, including the use of the 'def' keyword and adding parameters, is also explained.

What is the significance of the 'def' keyword in Python functions?

Describe the process of creating and calling a function in Python.