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, 13, ['O', '5581', 'r', 'H', 'f', 'y', 'A', 'g', '6023', 'G', 'G', 'm', '8767']
[A]: 7678mGG3206g


[Q]: 5, 6, ['v', 'g', '5867', '9693', 'T', 'd', 'K', 'x']
[A]: dT


[Q]: 1, 3, ['O', 'i', 'U', '1109', '4095', '1847', '659', 'b', 'y', '6779']
[A]:
UiO