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, 15, ['m', '1305', '8351', '2095', 'W', '8619', 'P', '9663', 'l', '383', 'Y', '7865', 'e', '1993', 'n', '8423']

n1993e7865Y383l9663P8619W2095