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: 27, 29, ['7823', 'G', 'u', '8669', 'F', '2401', '5085', 'm', 'X', '15', '7115', 'm', 'v', '7239', '8889', '7157', 'G', '1555', '9317', '4211', '3589', 'H', 'W', 'b', 'p', '6797', '2279', 'l', '981']

981l2279