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, 9, ['q', 'A', '8721', 'l', 'a', 'S', '3707', '413', 'R', 'i', '8687', 'F', 'h', '4585', '443', '2631', 'D']

S3707413R