What are arrays used for?

Answer 1

it is used to solve problem about grouping value.
example : calculate matrix, data management, and many more.

Answer 2

To store and manage data of the same type

Answer 3

if you had 20 children each one in his classroom, to find 3 children you would need to go to 3 classrooms one by one. but imagine you put them in one single classroom. well, you just "access" them as child one, then child two... well in this case the first child is child zero 😅

Answer 4

to make your work easy

Answer 5

To store data of many variables in a single variable