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:
12, 15, ['9349', 'l', 'n', '5081', '3021', 'a', '917', '6671', 'Q', '4033', 'v', 'i', 'k', '539', '1413', 'X', '7405', 'S', 'J', '6503', '4311']
answer:
ik5391413


question:
1, 2, ['8679', 'K', 'X', 'g', 'J', '9499', 'N', '3085', '7369', '1339', 'J']
answer:
8679K


question:
13, 15, ['B', '371', '9551', '3203', 'h', 'e', 'A', '6409', 'u', 'r', 'v', 'n', 'J', '9243', '7177', 'U', 'h', 'f', '3485', '6617', 'z']
answer:

J92437177