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: 8, 16, ['B', 'k', 'a', 'd', '5009', '6725', '6011', 'm', 'd', 'U', '9383', '6323', '4371', '3187', '9549', '2821']

mdU938363234371318795492821