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 · Python supports various types of arguments that can be passed at the time of the function call. In Python, we have the following function argument types in Python, Let's explore …

Jun 11, 2025 · To define a function in Python, you use the def keyword, followed by the function name and an optional list of parameters enclosed in a required pair of parentheses. You can …

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.

Aug 24, 2025 · Learn how to define and use functions in Python. From basics to advanced features like *args, **kwargs, defaults, and lambdas—complete beginner’s guide.

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 …

Oct 19, 2025 · Learn how to create and use a Python function with Python's def keyword, why functions are useful, and learn about variable scope.

Mar 28, 2025 · In this tutorial, we will understand everything about functions in Python, including their types, how to define and use them, and provide various practical examples.

We will now see how to define and use a function in a Python program. A function is a reusable block of programming statements designed to perform a certain task. To define a function, …