Explain five real World situations where you should use functions.

Answer 1

Imagine function as a juicer.
To make mango juice from mango you need to have a juicer. So basically a function is a tool which does a particular work. Now apply this to real world. It has infinite examples

Answer 2

One is suppose you are owner of car compaines you designing many car of different company and you have to mention features speed of all companies cars price , gears ......etc.