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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. 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 …

  3. 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.

  4. Python Functions [Complete Guide] – PYnative

    Jan 26, 2025 · Python function is a block of code defined with a name. Learn to create and use the function in detail. Use function argument effectively.

  5. Python Function: The Basics Of Code Reuse • Python Land Tutorial

    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 …

  6. Python Functions - Computer Science

    Almost all the code you work with in Python is inside a function. Suppose we have a Python program in the file example.py. The program text will be divided into many functions, each …

  7. 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 …

  8. Python Functions Tutorial

    Explore the fundamentals of functions in Python with this comprehensive tutorial. Learn how to define functions, pass parameters, return values, and utilize default parameters. Includes …

  9. 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, …

  10. Python Functions: How to Call & Write Functions - DataCamp

    Nov 22, 2024 · Use the keyword def to declare the function and follow this up with the function name. Add parameters to the function: they should be within the parentheses of the function. …