instruction:
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.
question:
1, 11, ['Q', 'Y', 't', '9251', 'd', '5229', 'Q', 'l', 'O', '2935', 'E', 'x', '5641']
answer:
QYt9251d5229QlO2935E


question:
17, 19, ['6519', '9015', 'i', '3363', '8547', 'x', 'f', 'H', '5557', '2135', '1559', 'S', 'b', '4833', '7801', '7375', '3729', 'y', '8667', 'G', '7723', '4571', 'J', '1997', '8663', 'l', 'b', 'T']
answer:
3729y8667


question:
3, 7, ['8537', '7133', 'N', '5905', 'C', '581', 'E', 'H']
answer:

N5905C581E