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: 5, 5, ['7991', '8029', '9605', 'u', '9539', 'q', '3789', 'i', '8639', '7477']

A: 9359
****
Q: 1, 1, ['341', '939']

A: 143
****
Q: 7, 11, ['j', 'G', '6685', 'f', '8489', 'Y', '4155', 'h', '9119', '2091', '281', '2685', '2861', 'Y']

A:
18219029119h5514
****