General Functions

• Functions are a part of our everyday life, for example there are mathematical functions, programming functions, electronic functions, etc.

• We have already discussed some mathematical functions and their behavior, programming functions work in a similar manner.

• While writing a program we usually break it down into functions and each functions performs a certain process, just like the buttons on a walkman.

• Advantages of having functions in our programs are that they can be repeated as many times as you like, and they can be modified to perform extended tasks.

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