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.

Ex Input:
1, 2, ['h', 'B']

Ex Output:
hB


Ex Input:
1, 2, ['1723', '6539']

Ex Output:
17236539


Ex Input:
9, 14, ['E', '8175', 'n', '3331', '7925', 'z', '2211', '7493', '5061', 'a', '1907', '3303', 'D', '1085', '4717', 'x', '5145']

Ex Output:

5061a19073303D1085