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: 6, 7, ['X', 'W', '7949', '1169', 'X', '669', 'l', '3253', 'l', 't', '5039', '2013', 'x', '3579', '5745', '7979', 't']

l, 669