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: 1, 3, ['3181', 'B', 'm', '701', 'v', '731', '7961', '2101', '7711', 'O', '3915', '5051', 'q', 'A', 'D', '5615', '5063', 'O']

3181Bm