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: 4, 9, ['q', '4631', 'k', '365', '7809', 'c', 'U', 'z', '5821', 'c', 's', '5459', '5355', '1841', 'p', '7415', '997', 'Z', 'u', 'E', 'P', '883', 's', '3001', '7713', 'm', '1983']

5821zUc7809365