The Ultimate Guide to Python Programming With Python 3.10 - The RETURN Keyword

The video tutorial explains how to create a function in programming that returns a value. It introduces the concept of using the return keyword to output a result from a function. The tutorial walks through defining a function called 'root' that calculates the square root of a given number using the power function. It demonstrates testing the function with an example and highlights that the return keyword can be used to return expressions directly, without needing to store them in a variable first.

What is the purpose of the return keyword in a function?

Describe the process of defining a function that returns the root of a number.

How can you calculate the root of a number in a function?

What value is returned when the root function is called with the argument 25?

Can the return keyword return expressions directly without creating a variable? Explain.