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:
6, 6, ['6237', '5511', '7211', '1509', '7331', '9547']
answer:
9547


question:
2, 16, ['3625', 'Q', 'f', '6697', 'o', 'n', '1471', '2327', 'X', 'l', '6125', '2215', 'R', '221', '6415', 'Y']
answer:
Qf6697on14712327Xl61252215R2216415Y


question:
11, 14, ['L', 'm', 'o', 'C', '4675', 'Q', 'v', 'I', 'd', '2315', 'C', 'N', 'g', '1349', 'o', 't', '8841', 'w', 'h', 'O', 'X', '4757', 'l', 'p', 'm']
answer:

CNg1349