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: 25, 27, ['7845', '2133', 'E', 'K', 'T', '9017', '7821', '8147', 'p', 'C', '5247', 'n', 'K', '7831', 'D', '3415', '819', 'b', 'N', '3709', '4453', 'h', 'd', 'S', '7937', '2341', '1879']

187923417937