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.

Dec 16, 2024 · Let's understand defining and calling a function in detail: By using the word def keyword followed by the function's name and parentheses () we can define a function. If the function takes any arguments, they are included inside the parentheses. The code inside a function must be indented after the colon to indicate it belongs to that function.

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

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 …

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.

Aug 24, 2021 · To execute the code inside the function, you have make a function invokation or else a function call. You can then call the function as many times as you want. To call a function you need to do this:

Apr 15, 2021 · Learn how to improve code structure and reusability by defining your own functions in Python. Examples and best practices are included!

Jul 28, 2021 · In this post, we shall see how we can define and use our own functions. Let's get started! The following snippet shows the general syntax to define a function in Python: You need to use the def keyword, give your function a name, followed by a pair of parentheses, and end the line with a colon (:).

Jul 20, 2022 · To define a function in Python, you type the def keyword first, then the function name and parentheses. To tell Python the function is a block of code, you specify a colon in front of the function name. What follows is what you want the function to do. The basic syntax of a function looks like this: An example of a function looks like this:

Mar 28, 2025 · To define a function in Python, we use the def keyword, followed by the function name and parentheses. Syntax. print("Hello, this is a function!") def function_name (): # Function body print ("Hello, this is a function!") Example. print("Hello, welcome to Python functions!") Output. Hello, welcome to Python functions!