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: 10, 23, ['2577', 'k', '2215', '2557', 'r', 'p', 'l', '6713', 'j', '7241', '8375', '4019', 'R', '4101', '7343', '3443', 'c', '5423', 'L', '7679', 'n', '7715', 'D']

D7715n7679L5423c344373434101R401983757241