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.

Input: Consider Input: 14, 15, ['b', '863', '5093', '7589', '6635', 'X', '863', '8197', '3571', 'u', 'J', '1331', 'M', 'z', '9965', '3989', '2677', 'm']

Output: 9965z


Input: Consider Input: 3, 12, ['G', 'C', 'B', '3939', 'F', '8183', '1127', 'C', '4053', 'e', '6827', 'c', 'p', '4677', 'O', '3351', '5097', '7389']

Output: c6827e4053C11278183F3939B


Input: Consider Input: 5, 6, ['2573', '7353', 'P', '6643', '229', '3811', 'J', 'D', '2379']


Output: 3811229