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:
4, 7, ['j', '6673', 'I', '587', 'S', 'o', '2475', '8581', '571', 'Z', '555', 'k', 'C', 'j', '769', 'd', '6237', 'e', 'T', 'o', 'O', 'b', 'D']

Ex Output:
2475oS587


Ex Input:
11, 12, ['8873', 'N', '5397', 'v', 'B', '5841', '6213', '8827', '9869', '9449', 'b', 'c', '5441', 'T', 'V']

Ex Output:
cb


Ex Input:
11, 23, ['8163', '6339', '2457', '6823', 'R', '3323', '535', 'W', 'V', 'x', 'A', '1247', 'U', 'Z', 'e', '2785', '1721', '587', '4679', 'o', '4811', '2707', '1357', '7171']

Ex Output:

135727074811o467958717212785eZU1247A