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, ['s', 'R']

SOLUTION: R, s

PROBLEM: 6, 9, ['k', 's', 'q', 'g', 'o', '7949', '3531', 'j', '1005', 'c', 'P', 'Y', '6885', '1985', 'A', 'P', 'm', 'u', '1685', '8895']

SOLUTION: 1005, j, 3531, 7949

PROBLEM: 3, 5, ['U', 'x', '17', 'v', '3991']

SOLUTION:
3991, v, 17