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: 19, 20, ['G', 'F', 'p', '3541', 'A', 'U', '2921', 't', 'Y', 'M', '8345', 'i', '1427', '5565', 'r', 'h', '3423', '4257', 'y', '3989']

3989, y