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.

2, 9, ['7175', '1487', '4759', '8719', 'f', '9899', '1987', 'h', 'o', '5495', '3665', 'k', 'j', 'C', 'H', 'V', '9443', '1203', 'j', 'p']
oh78919989f917895747841

8, 12, ['K', 'x', 'a', 'A', '6203', '117', '1007', '6063', '569', '9809', '9097', 'w', '3939', 'l', 'V']
w790990899653606

11, 12, ['d', 'U', '7531', '2935', 'T', 'F', '1723', 'e', '7189', '3113', 'b', '2537']

7352b