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: Consider Input: 5, 7, ['I', 'R', 'p', '3901', '3837', '9227', '6961']

Output: 696192273837


Input: Consider Input: 7, 13, ['4735', '7529', 'Q', '9973', 'C', '1841', 'L', '7263', 'p', '7185', 'R', '8391', 'R', 'R', 'n', 'H', 'h', 'H', '11', '3773', '6221', 'z', 's', 'd']

Output: R8391R7185p7263L


Input: Consider Input: 2, 3, ['R', '2021', 's', 'n']


Output: s2021