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: 12, 14, ['k', 'd', '2835', 'o', 'c', '3199', 'V', '4031', '2325', '9743', 'i', 'Z', '7851', 'y', 'q', 'u', '391', '3113', '4999', '2231', '5945', 'S', 'K', '4259', '4541']

y7851Z