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: 19, 30, ['5979', '9739', '9947', 'r', '7461', 'y', 'E', '2467', 'Q', '8487', 'A', 'u', 'x', 'V', 'h', '1401', 'i', '6649', 'F', '401', '5783', 'O', 'T', 'A', '6837', '7975', '607', 'b', 'v', '9205']

9205vb60779756837ATO5783401F