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, 3, ['5191', '9077', 'a']

Answer: a7709


Question: 1, 3, ['r', '5153', 'I']

Answer: I3515r


Question: 3, 17, ['8595', '3279', 'q', '8807', '1109', 'i', 'O', 'S', 'P', 'f', '4277', 'Z', 'L', '1649', 'W', 'w', 'A', '6339', '1363', 'c', 'd', 'r', '4109', '5261']

Answer:
AwW9461LZ7724fPSOi90117088q