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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. Python Functions - GeeksforGeeks

    Feb 14, 2026 · We can define a function in Python, using the def keyword. A function might take input in the form of parameters. The syntax to declare a function is: Here, we define a function using def that …

  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. 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.

  6. 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 …

  7. 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, …

  8. 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 …

  9. 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!” …

  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 …