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: 6, 12, ['x', '9833', 'O', 'b', 'f', '4937', 'S', 'F', '3043', 'j', '6757', 'H', 'f', 'n', 'w', 's', 'V', 'n', 'L', 'b']

SOLUTION: H, 6757, j, 3043, F, S, 4937

PROBLEM: 13, 13, ['W', 'L', '3173', '2971', '8095', '5985', 't', '871', 's', '6509', '5293', 'Q', 'i']

SOLUTION: i

PROBLEM: 12, 13, ['R', 'H', '7993', '3949', '3939', 'S', '1025', '7135', 'q', '4351', 'C', 'h', '4317', 'Z', 'F', '5739', '6871']

SOLUTION:
4317, h