Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to list all elements of A from the ith element to the jth element in the reverse order. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 12, 13, ['T', 'S', 'r', 'D', '8261', '6403', 'E', 'M', 'x', '5311', '8739', '6239', 's', '2961', '3559', '525']

s, 6239