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.

[Q]: 3, 6, ['3315', 't', 'B', 'K', '631', 'e', '3715', 'o', '2761', 'e', 'a', 'K', 'J', '6837']
[A]: BK631e


[Q]: 9, 19, ['2139', '6849', 'b', '9459', 'v', 'h', 'i', '7977', 'q', 'Z', '7577', 'P', '9971', 'c', '567', 'J', '693', 'N', 'r']
[A]: qZ7577P9971c567J693Nr


[Q]: 6, 6, ['5387', 'N', '9261', 'm', 'z', '1707', 'o', 'C', '485', '215', 'M', 'j', 'F', '4181', '2191', 'x', '5549', 'k', '1169', 'F', 'm', 'F']
[A]:
1707