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: 18, 20, ['U', '863', '6521', 'K', '6497', '9131', 'n', '5763', 'W', 'r', 'Z', '8141', 'O', 'I', 'a', 'N', 'e', '9513', 'p', 'z', '5793', 'f', 'n', '5589', '2755', 'q', '5229', '5851', '9891', 'T']

z, p, 9513