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.

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 using def that …

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

A function is a block of code that performs a specific task. Suppose we need to create a program to make a circle and color it. We can create two functions to solve this problem: Dividing a complex …

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.

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.

Feb 2, 2026 · Learning to define functions is a key skill. It helps you write efficient and professional code. This guide will teach you the basics. What is a Function in Python? A function is a named block of …

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 marked in the …

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 simplest …

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 call and reuse …