This saves you from having to search for different pieces of the same code that have been scattered in different locations in your program by copying and pasting. If you need to make a change, you'll only need to update that certain function. If a certain action is required often and in different places, that is a good indicator that you can write a function for it. What is a Function?Ī function is an isolated block of code that performs a specific task.įunctions are useful in programming because they eliminate needless and excessive copying and pasting of code throught a program. It will also give you an overview of how to pass input parameters and arguments to your functions. This article will show you how to create and call your own Python functions. And each one performs a specific task.īut did you know that Python also allows you to define your own functions? Python has a bunch of helpful built-in functions you can use to do all sorts of stuff.
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