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.
16, 23, ['a', '8369', '4715', '1125', 'y', '301', 'T', '2213', '6329', '891', 't', '3365', 'L', '3639', '6427', 'U', '4533', 'B', '1565', 'M', '4831', '2971', 'S', 'a']