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:
2, 3, ['p', 'A', 'Y', '1837', '7973', '1599']

Ex Output:
YA


Ex Input:
2, 16, ['119', 'p', 'M', '8205', '7987', '1335', 'v', '8487', 'B', 'D', '3091', '9083', 'p', 'O', 'T', 'S', '2281', '7291', 'd', '4955', '5523', '1275', 't', '5103', 'q']

Ex Output:
STOp90833091DB8487v133579878205Mp


Ex Input:
2, 4, ['A', '9371', 'g', '4309', '6499', '2477', 'd']

Ex Output:

4309g9371