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: 5, 17, ['399', 'Q', 'y', 'O', 'L', 'A', 'S', 'K', '1519', '3085', 'g', '1891', '2817', 'g', '7477', '7993', 'G', 'h']

LASK15193085g18912817g74777993G