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 Q]: 14, 15, ['8571', '9637', 'o', '7821', '3579', 'S', '6353', 'Z', 'D', 'a', '4885', 'P', 'J', 'J', 'U', '2133', '5421', 'F', '4243', 'i', '8035', 'G', '1391', 'p', 'l', '9621', 'y', '145']
[EX A]: UJ

[EX Q]: 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 A]: 6781GL825185417885bA8721f245

[EX Q]: 6, 27, ['b', '8159', 'v', 'S', 'a', '633', '4921', 'w', '9561', '7587', '5735', 'W', '7737', '6355', 'A', 'b', '3795', '5335', '5231', '6815', 'E', '1777', '9203', '5295', '2033', 'm', 'L', 'k', 'h', 'K']
[EX A]:
Lm2033529592031777E6815523153353795bA63557737W573575879561w4921633