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:
1, 5, ['Q', 'J', '983', 'W', 'b']
answer:
QJ983Wb


question:
6, 9, ['g', '7481', '6717', '2863', '79', '5841', 'o', 'K', '4697', 'l', 'c', 'G', 'G']
answer:
5841oK4697


question:
14, 15, ['z', '7095', '5133', '5767', '2579', '2323', '7557', 's', 'J', 'A', 'm', '7671', '7649', '3253', '6875', '7601', '9505', 'B', '2369', '4405', 'k', 'G', 'F', '2751', 'Y']
answer:

32536875