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:
5, 11, ['i', '1561', 'd', 'a', '2889', 'V', '8371', '521', 'V', '7609', 'M', 'I', '1557']
answer:
2889V8371521V7609M


question:
1, 2, ['1723', '6539']
answer:
17236539


question:
5, 13, ['3485', 'k', '6065', '8691', 'd', 'Y', '7287', '6823', 'S', 'd', '9333', 'w', '2537', '61', '5227']
answer:

dY72876823Sd9333w2537