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:
9, 15, ['6387', 'q', '2301', '4151', '5969', '129', 'X', '1637', 'V', 'Y', '8575', 'p', '1001', 'b', 'W', 'M', '9575']
answer:
VY8575p1001bW


question:
19, 20, ['s', '2571', 'q', '2397', 'T', '3995', 'W', 'f', '7847', 'w', 'b', 'X', '5027', 'z', 'I', '9187', '2715', '9005', 'K', 'h', 'A']
answer:
Kh


question:
3, 10, ['Q', '8811', '8187', '2243', 'h', 'G', 'S', 'N', 'c', '629', '4605', 'L', 'B', 'c', '3703', 's', 'U', 'M']
answer:

81872243hGSNc629