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.

Ex Input:
19, 25, ['l', 'i', 'v', '2813', '4893', '3263', 'a', 'H', 'H', 'c', 'w', '91', 'X', '8227', '917', 'D', '4803', 'T', 'v', '9273', '9365', 'z', 't', 'b', '2077', '1641', 'J', '7745']

Ex Output:
2077btz93659273v


Ex Input:
5, 15, ['X', 'W', 'B', '1047', 'z', 'm', 'E', '8829', 'D', '4935', '957', 'a', '4801', 'c', 'l', 'j']

Ex Output:
lc4801a9574935D8829Emz


Ex Input:
15, 16, ['5393', '3349', '9933', 'e', 'H', '7969', '7543', '2239', 'a', 'H', 'I', '6889', 'O', 'q', 'm', '7145', 'j', '4411', '2813', '4425', '5879', 'a', 'G', 'l', '3101', '1427', 'r']

Ex Output:

7145m