Q:

Implement a function that returns an updated array with r right rotations on an array of integers a .

Example:

Given the following array:

[2,3,4,5,7]

Perform 3 right rotations:

First rotation : [7,2,3,4,5] , Second rotation : [5,7,2,3,4] and, Third rotation: [4,5,7,2,3]

return [4,5,7,2,3]