And, you could call it any number of times without having to worry about logically structuring its code into your main code every single time. The fact that even complex operations could be put together as singular tasks that would run with just a call by its name is what has made computer codes of today so much clearer as well.Įvery programming language lets you create and use these functions to perform various tasks with just a call. We’ll be getting into that shortly, but the first reason behind why use a function is because of its reusability. This drastically reduces lines of code and even make debugging easier. But, defining it once with a name will let you reuse that functionality without making your main programs look too scary. So, functions are nothing but tasks that a user wants to perform. Would you rather write a single piece of code 10 times or just once and use it 10 times? This is because the definition lists the steps of its operation. But, if the function has not been defined previously, you’ll just have to define one yourself before using it. Every other function is logically aligned and maintained to functionally execute from your main code. In fact, the main code is also a function, just a very important one at that. And, the set of operations or instructions required to do so comes from logically functional blocks of code that can be reused independently from the main program. The modifications are generally done to drive outcomes like performing tasks and finding results. Python Programming languages are designed to work on data and functions are an effective way to manage and transform this data. Let us begin this Python Functions blog by first checking out why we need Python Functions.įunctions manage the inputs and outputs in computer programs. This video covers all the important aspects of functions in Python right from the introduction to what functions are, all the way till checking out the major functions and using the code-first approach to understand them better.
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