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 find all elements of A from the ith element to the jth element, reverse the order in which they occur, and then concatenate them to output the resultant string. 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. Perform the operations in order, i.e., do not concatenate the elements and then reverse the string.
PROBLEM: 8, 24, ['d', '2371', '7971', 'C', 'P', 'M', 'm', 'L', '2563', '1489', '2649', 'Y', 'K', '6075', '9543', 'q', '3687', 'b', 'U', '4779', '8109', 'W', 'K', '7385']

SOLUTION: 7385KW81094779Ub3687q95436075KY264914892563L

PROBLEM: 9, 15, ['9275', 'R', 'c', '897', 'm', '2477', '7233', '3477', 'd', 'D', '2765', 'f', '5149', 'S', 'R', 'r', '1531', 'M', '7997', '2057', '1261', '8321', 'H', '2943', '8893', 'v', 'X']

SOLUTION: RS5149f2765Dd

PROBLEM: 1, 2, ['9945', '9813']

SOLUTION:
98139945