In this task, you are given inputs 'i', 'j', and A, where 'i' and 'j' are integers and A is a list. A list is shown by two brackets and comma-separated numbers and characters inside, like ['1', '12', 'l']. You need to concatenate all elements of A from the ith element to the jth element, and then reverse the resulting 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 reverse first and then concatenate.
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Question: 12, 29, ['4267', '7621', 'e', 'd', '2685', '3417', 'V', 'E', '3849', '6875', '1093', '9451', '3257', '6313', 'K', 'j', '3551', 'l', 'J', 't', 'V', '7965', '307', 'A', '3733', 'Y', '8649', '8475', 'X']

Answer: X57489468Y3373A7035697VtJl1553jK313675231549


Question: 1, 2, ['y', 'n', 'a', '4367', 'Q', 'S']

Answer: ny


Question: 3, 3, ['8515', 'N', 'q', 'P', '6181', 'M', '7187', '6565', '5561', 'L', '253', '7297', '7985', '6229', 'e', '6989', '1625', '2153', '4295', 'v', '6807', '737', 't', '1457', 't', 'a', 'x', 'j', '5169']

Answer:
q