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: 9, 12, ['n', '9083', 'h', '7683', '2647', 'B', '3721', 'x', '799', 'd', 'H', '8607', '1447', 'i', 'P']

799dH8607