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.

This creates a function named my_function that prints "Hello from a function" when called. The code inside the function must be indented. Python uses indentation to define code blocks.

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 …

In this post, I have compiled a list of examples of functions in Python. Check out these examples and understand how functions work in various scenarios. I hope this will help you get a clear …

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, …

In the example below we have parameter x and y. Type this program and save it as summation.py. In this example we have two functions: f (x,y) and print (). The function f (x,y) …

Jan 26, 2025 · Python function is a block of code defined with a name. Learn to create and use the function in detail. Use function argument effectively.

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

Learn how to define functions, pass parameters, return values, and utilize default parameters. Includes practical examples and code snippets to help you understand function syntax and …

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 …