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: 14, 22, ['2487', '2263', '9465', 'S', '7313', 'u', '639', '6729', 'y', '6041', '6801', '7995', 'f', 'J', 'l', 'm', 'Q', '4793', '5291', 'R', 'H', 'V', '9535', '9163', 'O', 'J', 'P', 't']

SOLUTION: VHR52914793QmlJ

PROBLEM: 12, 18, ['W', '9509', '3541', 'T', 't', 'Y', 'x', '9667', 'V', '7605', '7727', 'x', 'x', 'W', '3657', '2591', '9599', 'I', 'd', '6679', '1373', 'e', '6173', '8861', 'n', 'L', '5093', 's', '453']

SOLUTION: I959925913657Wxx

PROBLEM: 22, 30, ['N', '6471', '9263', '6591', '9833', '917', '111', 'f', 's', '779', '7847', '7429', '9431', '4055', '8497', '5649', 'O', 'k', '5959', '8779', 'p', 'Z', 'N', 'u', '1829', '9409', 'i', 'r', '7815', '7309']

SOLUTION:
73097815ri94091829uNZ