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: 1, 2, ['i', '8457', 'a']

SOLUTION: 8457, i

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

SOLUTION: 3107, u, I

PROBLEM: 2, 4, ['z', 't', '3221', '2231', '6539', 'k', '7267', 'Y', '2549']

SOLUTION:
2231, 3221, t