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: 8, 16, ['v', '4751', 'w', 'L', 'G', 'Y', 'G', 'C', '7237', '2321', '9495', 'o', 'U', '4231', '4011', '699', '651', 'L', '2887', '9157', 'a', 'L', 'X', '9969']

69940114231Uo949523217237C