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: 7, 9, ['f', 'b', 'w', 'k', '9131', '4529', 'c', '6383', 'a', '3273', '4595', 'a', 'D', '7217', '7655', 'a', '151', '9217', 't', '999']

a6383c