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  1. Python Functions - W3Schools

    Creating a Function In Python, a function is defined using the def keyword, followed by a function name and parentheses:

  2. Defining Your Own Python Function

    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.

  3. Python Functions (With Examples) - Programiz

    A function is a block of code that performs a specific task. In this tutorial, we will learn about the Python function and function expressions with the help of examples.

  4. How To Define A Function In Python?

    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

  5. How to Define and Call a Function in Python - GeeksforGeeks

    Jul 23, 2025 · In Python, defining and calling functions is simple and may greatly improve the readability and reusability of our code. In this article, we will explore How we can define and …

  6. How to Define and Use Functions in Python: A Complete …

    Aug 24, 2025 · In this tutorial, we’ll cover everything you need to know about defining and calling functions in Python. From the basics of def and parameters to advanced features like *args, …

  7. How to Define And Call Functions in Python - freeCodeCamp.org

    Mar 3, 2023 · Defining a function in Python involves two main steps: defining the function and specifying the arguments it takes. To define a function, you use the def keyword followed by …

  8. Creating Functions in Python: A Comprehensive Guide

    Apr 2, 2025 · In Python, functions are defined using the def keyword. For example: print("Hello, World!") In this example, greet is the name of the function. The function doesn't take any …

  9. Python Function: The Basics Of Code Reuse

    Oct 19, 2025 · Now that we know how to use a function, let’s create a simple one ourselves.

  10. Python Functions: How to Call & Write Functions - DataCamp

    Nov 22, 2024 · Use the keyword def to declare the function and follow this up with the function name. Add parameters to the function: they should be within the parentheses of the function. …