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: 4, 6, ['7653', 'd', '7091', '191', 'Z', '13', 'k', 'x', 'N', '9543', '4647', 'W']

SOLUTION: 13Z191

PROBLEM: 3, 6, ['D', 'X', '6211', '6533', '7783', 'G', 'B', 'o', '9871', 'E', '6691', 'F', 'U', '8191', '6569', '8907', '2861', 'h', '4665', 'U', 'J', '1901', 'V', 'd', 'A', 'Z', '9537', '1553']

SOLUTION: G778365336211

PROBLEM: 3, 17, ['9791', 'r', 'i', 'b', '7199', 'p', 's', 'x', 'I', 'c', 'v', 'P', '8693', 'R', 'S', 'N', 'n', '3877', '69']

SOLUTION:
nNSR8693PvcIxsp7199bi