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: 10, 21, ['D', 'O', '4191', 'h', '9857', 'x', '8695', 's', '5189', '9433', 'x', '2691', 'G', '7003', 'R', '1297', 's', 'M', '6027', '5681', '709', '3627']

9433x2691G7003R1297sM60275681709