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: 4, 21, ['s', 'p', 'W', '8877', 'X', '5137', 'G', 's', '7087', 'l', '6141', 'M', 'm', 'd', 'u', 'x', 'O', '6309', 'P', 'm', 'w', 'W']

w, m, P, 6309, O, x, u, d, m, M, 6141, l, 7087, s, G, 5137, X, 8877