A function is a block of code which only runs when it is called. You can pass data, known as parameters, into a function. A function can return data as a result.

Learn about Functions in Python: Create reusable blocks of code using the `def` keyword, pass arguments, return values, and organize your logic efficiently.

Mar 10, 2025 · We can define a function in Python, using the def keyword. We can add any type of functionalities and properties to it as we require. By the following example, we can understand how to write a function in Python. In this way we can …

We can create two functions to solve this problem: Dividing a complex problem into smaller chunks makes our program easy to understand and reuse. Let's create our first function. def greet(): print('Hello World!') Here are the different parts of the program: Here, we have created a simple function named greet() that prints Hello World!

Feb 10, 2025 · Learn how to define a function in Python using the `def` keyword, parameters, and return values. This step-by-step guide includes examples for easy understanding

Oct 31, 2023 · Learn how to create and use a Python function with Python's def keyword, why functions are useful, and learn about variable scope.

In Python, define function to reuse your code in multiple places without using them explicitly. Learn how to do that + more here in our guide.

Jul 28, 2021 · In this tutorial, we shall learn about user-defined functions in Python. When you started coding in Python, you'd have used the built-in print() function in your Hello World! program 😀 and the input() function to read in input from the user.

Nov 22, 2024 · Discover how to write reusable and efficient Python functions. Master parameters, return statements, and advanced topics like lambda functions. Organize your code better with main () and other best practices. Training more people? Get your team access to the full DataCamp for business platform. For Business For a bespoke solution book a demo.

May 1, 2025 · Learn how to write and call functions in Python with expert guidance—perfect for beginners aiming to master Python programming basics efficiently.