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  1. 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. …

  2. 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

  3. Python Functions - W3Schools

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

  4. Define Functions in Python: A Beginner's Guide - PyTutorial

    Feb 2, 2026 · Learn how to define functions in Python with this clear guide covering syntax, arguments, return values, and practical examples for beginners.

  5. 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, …

  6. How to Define a Function in Python - All Things How

    Aug 23, 2025 · Use the def keyword to declare a function, add parameters in parentheses, end the header with a colon, and indent the body.

  7. Python Define Function: Step-by-Step Instructions

    In Python, defining functions is easy and also a foundational skill that can improve your code’s readability, modularity, and efficiency. Whether you are just starting your Python journey or building …

  8. Python Function: The Basics Of Code Reuse

    Oct 19, 2025 · Functions are the real building blocks of any programming language. We define a Python function with the def keyword. But before we start doing so, let’s first go over the advantages of …

  9. 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.

  10. 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 …