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:
1, 5, ['c', 'C', '6015', '9741', 's', '3435', '8097', '1181', '5819', 'O', '9493', '9591', '2367', 'y', '9873']

Ex Output:
s97416015Cc


Ex Input:
4, 5, ['u', 'P', '3415', '9257', '97', '9323', '6771', 'z', 's']

Ex Output:
979257


Ex Input:
13, 25, ['6671', 'R', '7057', '749', 'P', 'K', '8829', 'k', 'r', '5499', 'M', 'q', 'x', '4203', '3487', 'A', '3297', 'u', 'k', 'n', '5071', 'A', '6233', 'n', '4757', '7021', '7227', 'v', 'z', 'P']

Ex Output:

4757n6233A5071nku3297A34874203x