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]: 7, 8, ['6403', 'T', '2925', 'k', 'd', '5945', 'Q', '8379', 'R', '5991', '6583', '7577', 'V', 'Q', '5317', 'K', '7367', '5663', 'e', '1603', '8359', 'J', 'B', '3967']
[EX A]: 8379Q

[EX Q]: 17, 21, ['G', '6731', '5011', '5327', 'K', '1601', '7927', 'H', 'Q', '2519', '7897', 'G', 'x', '4253', 'g', 'o', 'D', 'A', '6515', 'o', '9255', 'V', '6725', 'l', '5771', '783']
[EX A]: 9255o6515AD

[EX Q]: 7, 21, ['Y', 'R', 'F', 'a', 'y', 'j', 'k', 'R', '2417', '5831', 'a', 'W', '9349', '5931', 'U', 'C', '3', '9409', 'e', '213', '7539', '6927', '9795', '8455', '6013', '5885', 'g', '9757']
[EX A]:
7539213e94093CU59319349Wa58312417Rk