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: 4, 7, ['O', '1667', 'K', 'I', '7623', 'H', '4937', 'P', '9693', 'L', 'T', '5477', '3285', 'u', 'n', '5313', 'H', 'b', '5657', 'I', 'f', 'Y', '2289', 'S', '9573', 'f', 'D', '8131']

4937H7623I