Definition: In this task, you are given inputs i, j, and A, where i and j are integers and A is a list. You need to find all elements of A from the ith element to the jth element, reverse the order in which they occur, and then concatenate them to output the resultant 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 concatenate the elements and then reverse the string.
Input: 5, 12, ['9357', '3617', '3429', '2053', '2097', 'm', '7657', 'K', 'q', 'z', '8885', 'A', '3071', '6671', '7431', 'p', 'n', '4963', '2295', 'F', 'e', '9099']

A8885zqK7657m2097