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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.
Functions in python are defined using the block keyword "def", followed with the function's name as the block's name. For example: def my_function(): print("Hello From My Function!")
Example. If the number of arguments is unknown, add a * before the parameter name: def my_function (*kids): print("The youngest child is " + kids [2]) my_function ("Emil", "Tobias", "Linus") Try it Yourself ». Arbitrary Arguments are often shortened to *args in Python documentations.
Jul 28, 2021 · In any programming language, functions facilitate code reusability. In simple terms, when you want to do something repeatedly, you can define that something as a function and call that function whenever you need to. In this tutorial, we shall learn about user-defined functions in Python.
Aug 24, 2021 · But did you know that Python also allows you to define your own functions? This article will show you how to create and call your own Python functions. It will also give you an overview of how to pass input parameters and arguments to your functions.
Functions are small parts of repeatable code. A function accepts parameters. Without functions we only have a long list of instructions. Functions can help you organize code. Functions can also be reused, often they are included in modules. Related course: Complete Python Programming Course & Exercises. Example Functions
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Mar 3, 2023 · In Python, defining and calling functions is easy and can greatly improve the readability and reusability of your code. How to Define a Function. Defining a function in Python involves two main steps: defining the function and specifying the arguments it takes.
