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, 12, ['r', '415', 'A', 'j', 'A', '3443', 'a', 'n', '639', 'A', '7835', 'W', '2139']

W, 7835, A, 639, n, a, 3443, A