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: 2, 2, ['799', '3533', '7841']

Answer: 3353


Question: 9, 14, ['d', '7259', 'A', 'U', '7005', 'P', '8215', '8925', 'e', 'x', '1265', 'H', '4075', 'J', 'G']

Answer: J5704H5621xe


Question: 23, 23, ['a', 'n', '659', 'c', 'c', 'o', '9745', '5399', 'i', 'q', '1725', 'w', 'b', '2061', 'z', 'z', 'T', 'l', 'I', 'd', 'm', '7877', 'k']

Answer:
k