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: 21, 22, ['9', 'j', '1369', 'q', 'U', 'g', '2551', '9989', 'q', 'z', 'p', '5671', 'b', '5263', '5089', 'L', '6227', '1955', 'u', '6135', 'f', '2647']

2647, f