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:
16, 16, ['9005', 'k', '8959', '781', 'L', 'q', '5191', 'O', '9913', 'i', '4207', '7995', 'j', '8783', 'x', 'D']
answer:
D


question:
4, 20, ['1033', '6489', '3569', 'f', '4483', 'm', '8817', '6619', '2881', 'K', '227', '2479', '6185', 'C', '1351', 'D', 'L', '5997', '6921', '7909']
answer:
f4483m881766192881K22724796185C1351DL599769217909


question:
1, 8, ['5429', 'q', '4333', '4379', '6707', '7529', 'f', '3337', '8187', 'z']
answer:

5429q4333437967077529f3337