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: 15, 20, ['J', 'k', '5677', 'u', 'A', '647', 'E', '9207', 'k', 'y', '8869', 'k', '4063', '8277', '8659', '3619', '4301', 'K', '9737', '7631']

7631, 9737, K, 4301, 3619, 8659