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: 6, 13, ['6125', '675', '4899', '8053', 'K', 'y', 'k', '3481', 'h', '1559', 'R', '8755', '1525', '8899', 'W']

yk3481h1559R87551525