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.

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 …

May 16, 2025 · Summary: A Python function is a named block of code that takes input, performs a task and returns output. This article covers defining functions, using *args for variable …

Jun 9, 2025 · Learn about functions in Python: how they run when called, pass parameters, and return data. This guide helps you understand essential Python function concepts.

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.

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

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. The print() …

Apr 22, 2025 · Functions are the building blocks of modular programming in Python. They allow you to group a set of statements together to perform a specific task. Using functions, you can …