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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. 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

  4. 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 call a function. …

  5. Python Functions (With Examples) - Programiz

    We can create two functions to solve this problem: Dividing a complex problem into smaller chunks makes our program easy to understand and reuse. Let's create our first function. print('Hello World!') …

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

    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. An Essential Guide to Python Functions By Examples

    In this tutorial, you’ll learn how to define user-defined Python functions. Here’s a simple function that shows a greeting: print('Hi') Code language: Python (python) This example shows the simplest …

  8. Python Functions [Complete Guide] – PYnative

    Jan 26, 2025 · Use the def keyword with the function name to define a function. Next, pass the number of parameters as per your requirement. (Optional). Next, define the function body with a block of …

  9. Python Function: The Basics Of Code Reuse

    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.

  10. 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 the name of the …