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: 20, 21, ['y', 'X', '9391', 'P', 'f', '8711', 'Q', 'H', '2883', 'Q', 'V', 'N', '7313', '2947', 'K', 'R', '3659', 'Y', 'g', 'z', 'G', '8893', '9423', '8589', '5505', '7239']

G, z