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: 6, 19, ['S', 'L', 'f', 't', '1027', '9781', '8481', 'Q', '6869', 'x', '2473', 'C', 'L', '3751', 'U', 'E', 'W', '8531', 'R', '6123', 'o', '7667', '2299', 'k', '3841', 'e', '6285']

R, 8531, W, E, U, 3751, L, C, 2473, x, 6869, Q, 8481, 9781