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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. 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. 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.

  4. 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.

  5. 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.

  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. 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.

  8. 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 …

  9. 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.

  10. How to Write Functions in Python: A Step-by-Step Guide

    Mar 20, 2025 · In Python, functions are defined using the def keyword, followed by the function name and parentheses. def greet(): print("Hello, Python!") This function, when called, prints “Hello, Python!” …