In Computer Science a queue is an abstract Data Structure where items are kept in order. New items can be added at the back of the
queue and old items are taken off from the front of the
Write a function
nextInLine which takes an array (
arr) and a number (
item) as arguments. Add the number to the end of the array, then remove the first element of array. The
nextInLine function should then return the element that was removed.