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: 3, 20, ['m', '9539', 'y', 'E', 'E', 'C', 'y', 'M', 'G', 'N', '4167', '2753', 'e', '8259', 'c', '6333', 'k', 'c', '471', '6461', 'w', '8919', '3849', 'm', 't', '6973', 'K']

SOLUTION: 6461471ck6333c8259e27534167NGMyCEEy

PROBLEM: 4, 12, ['4811', '5765', '695', '8003', '9709', 'Q', '3265', '1983', '8313', 'P', '7717', 'V', '5061', 't', '7263', 'z', 'a', '3807', '9269', '2399', '8537', 'O', 'd', 'j']

SOLUTION: V7717P831319833265Q97098003

PROBLEM: 5, 19, ['z', 'b', 'W', '463', '2955', 'B', 's', '9785', '7663', 'D', 'A', 'f', '2643', 'Q', '2377', 'f', 'h', 'U', '2243', 'b', '8555', '6605', 'b', 'H', 'E', '1167', '961', '6283']

SOLUTION:
2243Uhf2377Q2643fAD76639785sB2955