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  1. Python Functions - W3Schools

    Python Functions A function is a block of code which only runs when it is called. A function can return data as a result. A function helps avoiding code repetition.

  2. 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 …

  3. How To Define A Function In Python?

    Feb 10, 2025 · In this tutorial, I will explain how to define a function in Python. In one of my projects for my clients, I came across a scenario where I needed to define a function. …

  4. What Is a Function in Python? - Built In

    May 16, 2025 · A function in Python is a named section of code that takes an input, performs a specific operation and returns an output. Here's how functions work in Python.

  5. Functions in Python (with Examples) - PySeek

    Mar 28, 2025 · In this tutorial, we will understand everything about functions in Python, including their types, how to define and use them, and provide various practical examples. What is a …

  6. Understanding Python Functions: A Comprehensive Guide

    Mar 22, 2025 · What is a Python Function? A Python function is a block of organized, reusable code that performs a specific task. It allows you to break down a large program into smaller, …

  7. What are Functions in Python, its types and how to define and …

    Functions are self-contained blocks of reusable code designed to perform a specific task. Like a well-organized recipe that you can follow repeatedly to create the same dish, functions allow …

  8. 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. …

  9. Python Function: The Basics Of Code Reuse

    Oct 19, 2025 · What is a function in Python? Let’s define what a function is, exactly: Functions are the real building blocks of any programming language. We define a Python function with the …

  10. Python Functions [Complete Guide] – PYnative

    Jan 26, 2025 · In Python, the function is a block of code defined with a name. We use functions whenever we need to perform the same task multiple times without writing the same code again.