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  1. www.w3schools.com › python › python_functionsPython Functions - W3Schools

    A function is a block of code which only runs when it is called. You can pass data, known as parameters, into a function. A function can return data as a result. Creating a Function. In Python a function is defined using the def keyword: Example Get your own Python Server. def my_function (): print("Hello from a function") Calling a Function.

  2. www.freecodecamp.org › news › functions-in-python-aFunctions in Python – Explained with Code Examples

    Jul 28, 2021 · It lets you use functions by calling the function with required arguments, without having to worry about how they actually work. There's a whole wealth of built-in functions in Python. In this post, we shall see how we can define and use our own functions.

  3. www.programiz.com › python-programming › functionPython Functions (With Examples) - Programiz

    • Create a Function. Let's create our first function. def greet(): print('Hello World!') Here are the different parts of the program: Here, we have created a simple function named greet() that prints Hello World!
    • Calling a Function. In the above example, we have declared a function named greet(). def greet(): print('Hello World!') If we run the above code, we won't get an output.
    • Example: Python Function Call. def greet(): print('Hello World!') # call the function greet() print('Outside function') Output. Hello World! Outside function.
    • Python Function Arguments. Arguments are inputs given to the function. def greet(name): print("Hello", name) # pass argument greet("John") Sample Output 1.

  4. www.geeksforgeeks.org › python-functionsPython Functions - GeeksforGeeks

    Jul 29, 2024 · A Python function is a block of reusable code that performs a specific task when called, often accepting inputs (arguments) and returning an output.

  5. www.pythontutorial.net › python-functionsAn Essential Guide to Python Functions By Examples

    A Python function is a reusable named block of code that performs a task or returns a value. Use the def keyword to define a new function. A function consists of function definition and body.

  6. pynative.com › python-functionsPython Functions [Complete Guide] – PYnative

    Aug 2, 2022 · How does Function work in Python? Scope and Lifetime of Variables. Local Variable in function. Global Variable in function. Global Keyword in Function. Nonlocal Variable in Function. Python Function Arguments. Positional Arguments. Keyword Arguments. Default Arguments. Variable-length Arguments.

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  8. python.land › introduction-to-python › functionsPython Function: The Basics Of Code Reuse

    Oct 31, 2023 · Learn how to create and use a Python function with Python's def keyword, why functions are useful, and learn about variable scope.

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