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: 5, 6, ['G', 'L', 'w', 'o', '891', '6639', '6243', 'x', 'b', 'M', 'j']

6639, 891