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: 12, 28, ['9693', 'Z', 'e', '5727', '5801', '9047', '9575', '9483', '1707', 'u', 'G', '663', 'K', '6781', 'X', 'u', '1625', '8029', '6445', '985', '2369', '1223', '2349', 'a', 'Y', 'C', '5891', 'L', '1025']

663K6781Xu162580296445985236912232349aYC5891L