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: 7, 12, ['n', 'R', '7139', 'C', 'N', 'C', 'X', '4775', '9577', '8137', '8911', 'K', 'q', '4887', 'g', 'B']

K, 8911, 8137, 9577, 4775, X