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, 7, ['6925', '5419', 'b', '1297', '4309', '8919', 'H', 'h', 'P', 'q', '2907', '5573', 'G', '4767', 'U', 'R', '6717', 's', 'I', '4477']
answer:
69255419b129743098919H


question:
1, 5, ['7197', '9', '8871', '7397', 'o']
answer:
7197988717397o


question:
7, 17, ['V', '2769', 't', 'F', 'W', 'P', '7741', '6475', 'A', '3363', '9633', 'j', '6017', '2861', '2197', '8323', 'W', 'w', 'z', '6201', 'w', '7859', 'C', '2915', 'u', '4617', '689', 'v']
answer:

77416475A33639633j6017286121978323W