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 using def that …

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.

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.

Oct 19, 2025 · Functions are the real building blocks of any programming language. We define a Python function with the def keyword. But before we start doing so, let’s first go over the advantages of …

Functions are one of the most powerful features in Python, enabling code reuse, abstraction, and modularity. By mastering the concepts covered in this guide, you’ll be well-equipped to write cleaner, …

Aug 16, 2025 · In Python, functions are created using the def keyword, followed by the function name, parentheses ( ) for parameters, and a colon :. The body of the function is indented. Figure: Types of...

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

Aug 24, 2025 · In this tutorial, we’ll cover everything you need to know about defining and calling functions in Python. From the basics of def and parameters to advanced features like *args, …

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.