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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. 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.

  5. 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.

  6. Defining Your Own Python Function

    Jun 11, 2025 · To define a function in Python, you use the def keyword, followed by the function name and an optional list of parameters enclosed in a required pair of parentheses. You can call and reuse …

  7. Python Functions (With Examples) - TutorialsTeacher.com

    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, Python provides …

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

    Feb 2, 2026 · Functions help avoid repetition. They make your programs modular and easier to debug. You define a function using the def keyword. This is followed by the function name and parentheses. …

  9. What is Def in Python? Defining Functions Explained

    The def keyword in Python is used to define a function. It is the starting point for writing a function and is followed by the function name and parameters. Learning what def means in Python is crucial for …

  10. 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 …