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, 3, ['1827', 'A', '5773']

Ex Output:
5773A1827


Ex Input:
3, 5, ['3897', 'j', 'o', 'v', '6633', 'b', '3875', 'J']

Ex Output:
6633vo


Ex Input:
14, 21, ['4503', '5429', '6369', '7019', '3625', 'Y', '1651', 'N', 'g', 'c', 'h', '4267', 'Z', '2375', '8319', 'U', '725', '9569', 'Q', 'V', 'u', 't', '5979', 'W', 'v', 'Z', 'D']

Ex Output:

uVQ9569725U83192375