Question

Why is there a need to create the function in a program?

Answer 1

a function is defined, it can be used over and over and over again.

Another aspect of reusability is that a single function can be used in several different (and separate) programs.

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Answer 2

Hi. Creating functions in programs reduces the need for duplication of code. For example, if you are creating a game, and you have three ways bu which the game can get over, so, if you create a function, you just write the function in the event or else, if you don't create a function, you will have to copy the code for each event. Hope it helps!