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:
10, 11, ['x', 'F', '4769', 'I', '7619', 'T', '3257', '193', '5365', 'v', 'G', 'q', '6317', 'L', '6431', 'V', 'Z', 'H', 'C', 'u', '5339', '7797', '4311', '5407', 'D']

Ex Output:
Gv


Ex Input:
14, 24, ['7539', '1653', '1415', '4545', '1969', '2893', 'W', '6317', 'v', '9095', '6265', 'X', '4399', '245', 'f', '8721', 'A', 'b', '7885', '8541', '8251', 'L', 'G', '6781']

Ex Output:
6781GL825185417885bA8721f245


Ex Input:
9, 21, ['X', 'm', 'I', '8573', '3337', 'y', '1449', 'w', 'S', '7051', 'A', '2179', '9155', '5407', 'A', 'U', 'N', 'g', '5687', '1631', 'p', '3111', 'v', '4653', '2249', '1511', 'h', 'a', 'v']

Ex Output:

p16315687gNUA540791552179A7051S