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: 3, 4, ['109', 'U', '6833', '6807', '4937', '7119', 'q', 'V', '5647', 'H', 'A', 'Y', 's', '3723']

Output: 68076833


Input: Consider Input: 8, 12, ['L', 'M', '3799', '5741', 'U', 'a', 'g', '9643', 'i', 'u', 'i', '9355']

Output: 9355iui9643


Input: Consider Input: 19, 20, ['6953', 'C', '1745', 'e', '5155', '1999', 'w', 'D', '8899', 'T', 'S', '5217', 'r', 'C', 'l', 'f', 'S', '1139', 'q', 'G', 'm', '3803', '7829', '6833', 'X', '8713', 'v', '5757', '813', 'h']


Output: Gq