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: 7, 22, ['6261', 'b', 'A', '2725', '5193', '4677', 'U', '8231', 'f', 'S', '3663', 'f', 'f', 'g', '6327', 'g', '2959', 'u', '1385', 'z', '743', '1187']

SOLUTION: 1187743z1385u2959g6327gff3663Sf8231U

PROBLEM: 5, 6, ['9707', '3873', '6063', '8877', 'l', '9711', 's', 'M']

SOLUTION: 9711l

PROBLEM: 3, 7, ['m', '7827', 'G', '5377', '7797', '8119', '4699']

SOLUTION:
4699811977975377G