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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 def Keyword - GeeksforGeeks

    Jul 23, 2025 · Python def keyword is used to define a function, it is placed before a function name that is provided by the user to create a user-defined function. In Python, a function is a logical …

  4. def | Python Keywords – Real Python

    In Python, the def keyword defines a function, which is a reusable block of code that can accept data input, perform a specific computation or task, and return a result or produce a side effect. …

  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 Functions in Python: A Comprehensive Guide

    Apr 9, 2025 · In Python, you define a function using the def keyword, followed by the function name, a set of parentheses (), and a colon :. The body of the function is indented.

  7. How to Define and Use Functions in Python: A Complete …

    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: A Beginner’s Guide to `def` and Function Calls

    Functions are one of the most essential building blocks in Python programming. Whether you are writing a small script or building a large-scale application, functions help you organize, reuse, …

  9. Understanding the def Keyword in Python

    In this section, you’ll explore the purpose and syntax of the def keyword in Python. You’ll learn how to define your own functions, choose meaningful names, use indentation properly, and …

  10. Python Functions - GeeksforGeeks

    Oct 4, 2025 · 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 …