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, ['s', '2289', '6119', '6763', 'Y', 'Y', '3641', 'H', 'J', '6341', '7265', '6143', 'X', 'r', '8129', 'a', '193', '1833', 'm', 'b', '9891', 'r', 'U', 'b', '8131', '5697', 'X', 'e', 'Y', '8049']

b, m, 1833