TASK 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.
PROBLEM: 3, 5, ['l', 'D', 'I', 'u', '3107', '1721', '5489']

SOLUTION: 3107, u, I

PROBLEM: 12, 13, ['u', 'y', 's', 'K', '1531', '3951', '1805', '8929', 'M', '1541', 'I', '5017', '6111']

SOLUTION: 6111, 5017

PROBLEM: 11, 15, ['X', '5009', '4799', 'm', '1667', '7179', '1055', 's', 'U', 'Y', 'c', 'O', 'E', '7383', '4853', '6765']

SOLUTION:
4853, 7383, E, O, c