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, ['d', '169', 'W', 'Y']

Output: YW


Input: Consider Input: 3, 5, ['1381', 'z', '2015', 'L', '7519', 'w', '2999', '267', 'P']

Output: 7519L2015


Input: Consider Input: 3, 10, ['Q', 'X', 'W', 'D', '6961', 'm', '5729', 'J', '2613', '1763', '4445', 'I', 'X', 'J', '441', 'Z', '87', '5271']


Output: 17632613J5729m6961DW