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:
10, 28, ['H', '6547', '1745', 'O', 'v', '9847', 'T', '1117', '8061', '1539', 'Z', '1803', 'D', '8629', 'f', 'x', '1571', '3995', 'n', 'f', '4207', '3881', 'm', 'P', '8595', 'e', '5865', 'u', 'P', 'e']
answer:
1539Z1803D8629fx15713995nf42073881mP8595e5865u


question:
14, 18, ['i', 'm', 'v', '7021', 'P', '1569', 'G', '5761', '7325', '7577', '3361', 'f', 'i', 'c', '5375', 't', '7731', 'P', '9311', 'k', '6891', '9619', '2187', '9465', 'c', '2097', 'U']
answer:
c5375t7731P


question:
6, 7, ['7659', 's', 'W', '7911', '2497', '8387', 'y', '1357', '6033']
answer:

8387y