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.
--------
Question: 2, 4, ['7887', 'x', '3749', 'N', 'U', '2971']

Answer: N3749x


Question: 3, 7, ['h', '7973', 'y', '8987', 'W', 'I', '7665']

Answer: 7665IW8987y


Question: 6, 8, ['7871', 'y', 'g', '577', 'u', '5347', 'F', '8043', '8829', '6139', 'o', 'D', 'N', 'o', 'w', '3621', '4269', 'N', '8815', '1173', 'T', 'y', 'S', '7013', 'h', '8345', '7027', '7263', 'Y']

Answer:
8043F5347