A function is a block of code that performs a specific task. In this tutorial, we will learn about the Python function and function expressions with the help of examples.

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.

In practice, you use functions to divide a large program into smaller and more manageable parts. The functions will make your program easier to develop, read, test, and maintain.

Jul 23, 2025 · In Python, defining and calling functions is simple and may greatly improve the readability and reusability of our code. In this article, we will explore How we can define and …

Oct 19, 2025 · A Python function is a named section of a program that performs a specific task and, optionally, returns a value Functions are the real building blocks of any programming …

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.

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, …

May 13, 2025 · Python library functions are built-in functions that are always available for use without needing to define them explicitly. These functions are a part of the Python standard …

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.

Functions are a fundamental building block in Python programming. They allow you to encapsulate reusable code, making your programs more modular, maintainable, and efficient.