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 concatenate all elements of A from the ith element to the jth element, and print 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.
Input: 16, 17, ['C', '4841', '1667', 'L', '4207', '857', '6755', 'Y', '4405', 'j', 'x', 'k', '3777', 'n', 'w', 'Y', '3723', 'Q', '1725', 'h', 'a']

Y3723