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:
8, 8, ['2357', '1831', 'z', 'I', 'y', 'W', '1487', 's', '9219', '8049', '7605']
answer:
s


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


question:
8, 8, ['a', 'N', 'c', '7969', 'j', '5697', 'l', 'g', 'Y', 'H', 'r', '2357', '515', 'g']
answer:

g