Python Functions A function is a block of code which only runs when it is called. A function can return data as a result. A function helps avoiding code repetition.

Feb 10, 2025 · Learn how to define a function in Python using the `def` keyword, parameters, and return values. This step-by-step guide includes examples for easy understanding

Oct 4, 2025 · We can define a function in Python, using the def keyword. A function might take input in the form of parameters. The syntax to declare a function is: Here, we define a function …

Apr 15, 2021 · Learn how to improve code structure and reusability by defining your own functions in Python. Examples and best practices are included!

Jun 11, 2025 · Learn how to define your own Python function, pass data into it, and return results to write clean, reusable code in your programs.

Oct 19, 2025 · Learn how to create and use a Python function with Python's def keyword, why functions are useful, and learn about variable scope.

Aug 24, 2025 · Learn how to define and use functions in Python. From basics to advanced features like *args, **kwargs, defaults, and lambdas—complete beginner’s guide.

Mar 16, 2022 · In this article, I will show you how to define a function in Python and call it, so you can break down the code of your Python applications into smaller chunks. I will also show you …

In this tutorial, you'll learn to define custom Python functions so that you can reuse them in the program.

We will now see how to define and use a function in a Python program. A function is a reusable block of programming statements designed to perform a certain task. To define a function, …