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: 4, 4, ['8677', '421', '6571', 'K', 'p', 'B', 'M', 'c', '6231', '8911', '8547', 'k', '7681', 'Y', 'F', 'G', 'O', '1607', 'U', 'V']

K