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:
8, 15, ['9515', 'Q', '9365', '8843', '1391', 'e', 'Z', 'G', '9771', 'c', 'k', '7273', 's', '7523', '1297', '1835']

Ex Output:
12977523s7273kc9771G


Ex Input:
10, 19, ['9017', 'g', '6645', 'u', '993', '8505', '685', 'L', 'p', 'M', 'H', '7955', 'l', '1283', '1007', 'l', '7905', '1291', '5309', '6367', 'n']

Ex Output:
530912917905l10071283l7955HM


Ex Input:
1, 3, ['1889', 'G', 'J']

Ex Output:

JG1889