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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 def Keyword - GeeksforGeeks

    Jul 23, 2025 · In Python, the def keyword is used to define functions and it can also be used to define methods inside a class. A method is a function that is associated with an object and is …

  3. Python Functions (With Examples) - Programiz

    We can create two functions to solve this problem: Dividing a complex problem into smaller chunks makes our program easy to understand and reuse. Let's create our first function. …

  4. How To Define A Function In Python?

    Feb 10, 2025 · To define a function in Python, you use the def keyword followed by the function name and parentheses. Inside the parentheses, you can specify parameters that the function …

  5. 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.

  6. 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.

  7. Python Function Definitions: A Comprehensive Guide

    Apr 22, 2025 · Using functions, you can avoid repeating code, make your programs more organized, and improve code readability and maintainability. In this blog, we will explore the …

  8. Python Functions: A Beginner’s Guide to `def` and Function Calls

    Learn how to define and call functions in Python using `def`. Understand syntax, scope, return values, and practical examples for clean, reusable code.

  9. Python Define Function | Docs With Examples - Hackr

    In Python, you define a function using the def keyword: print("Hello, World!") Explanation: def is the keyword used to define a function. greet is the function name. The parentheses () can hold …

  10. An Essential Guide to Python Functions By Examples

    In this tutorial, you’ll learn how to define user-defined Python functions. Here’s a simple function that shows a greeting: print('Hi') Code language: Python (python) This example shows the …