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.

[Q]: 8, 15, ['l', 'p', '7691', 'q', '5663', '41', 'P', '2779', '7265', 'V', '4931', '8979', 'l', 'l', 'l', '45', '1245', 'F', '1139', '3531', '5337', '369', 'g', 'Q']
[A]: lll97981394V56279772


[Q]: 1, 1, ['W', '3467']
[A]: W


[Q]: 8, 16, ['j', '9323', '9117', '7649', 'o', '1989', 'g', '5947', 'l', '1819', '837', 'O', 'B', 'M', 'B', 'P', 'u', 'm', 'y', '3781', '8013']
[A]:
PBMBO7389181l7495