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.

May 22, 2026 · Python functions are reusable blocks of code used to perform a specific task. They help organize programs into smaller sections and execute the same logic whenever needed by calling the …

4 days ago · Learn how Python functions work — defining them, using parameters, returning values, default arguments, *args, **kwargs, and scope. With practical examples.

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.

In this tutorial, you'll learn to define custom Python functions so that you can reuse them in the program.

May 18, 2026 · In this tutorial, you'll learn all about Python functions. Follow steps to learn how to write and call functions in Python. Find code examples today!

2 days ago · Built-in Functions ¶ The Python interpreter has a number of functions and types built into it that are always available. They are listed here in alphabetical order.

Apr 17, 2026 · Learn about functions in Python: how they run when called, pass parameters, and return data. This guide helps you understand essential Python function concepts.

2 days ago · Learn Python online: Python tutorials for developers of all skill levels, Python books and courses, Python news, code examples, articles, and more.