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: 6, 10, ['W', '4485', 'x', '4885', '779', '5681', '5085', '3523', '2869', '3817', 'D', 'J', '5781', '4703', '8409', '7397', '1743', 'n', 'O', 'O', 'I', '2341', 'd']

SOLUTION: 38172869352350855681

PROBLEM: 2, 11, ['7257', 'o', 'r', '443', '9499', '1915', 'm', 'C', '6051', 'm', 's', '4593', 'O', 'V', '363', '793', '7765']

SOLUTION: sm6051Cm19159499443ro

PROBLEM: 2, 4, ['f', '7375', '8595', 'c', 'H', 'Y', 'x']

SOLUTION:
c85957375