What is the use of lists?

Question

We can access data in spped&in efficient way

Answer 1

if you want to represent a group of individual object in a single unit where duplicates object are allowed and the order or index of each object is important then you should go for list

Answer 2

A list is a tool that can be used for many things like adding, storing or deleting items. U can use Generic Lists(depends on the language that u are using e.g C#) or u can make make your own Linked List by creating some classes or structures. A list is also called array in some programming languages..