— set is a collection of elements in the Discipline Last in First out. the elements are inserted and deleted following that discipline.
assume you want to delete the one, which one will be deleted. only the last one which was inserted in the last stage will be deleted we use this in our daily life.
- parking lot in a dead end lane. if 3 are parked there, then if we want to take out car, then the car which is inserted in last will be taken out first.