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:
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:
12, 19, ['p', '8105', 'c', '8759', '813', 'L', '1451', 'E', 'M', 'N', 'n', '633', '2401', 'p', 'B', 'H', 'G', '2577', 'F', '1045', '8929', '9383']
answer:
6332401pBHG2577F


question:
1, 4, ['6285', '4509', 's', 'c']
answer:

62854509sc