What is variables and what is the use of variables

Answer 1

variables are fridges, they store foods like integers, strings, floats, booleans and much more. they even store packaged meals like lists, tuples, sets and dictionaries. When you’re hungry, call the fridge and grab what you want to eat.

Answer 2

Choe it sounds like programming may solve world hunger then.

Answer 3

Variables are used as "Containers" for storing data values.
Check your php, Js course.