Function (computer programming)

In computer programming, a **function** is a self-contained block of code that performs a specific task. Functions can take input in the form of parameters, execute a sequence of statements, and often return a result. They are a fundamental concept in programming and are used to organize code, promote reusability, and improve readability. Here are some key aspects of functions: 1. **Definition**: Functions are defined using a specific syntax that varies by programming language.