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


question:
5, 5, ['7173', 'b', '9573', 'O', '8047', 'f']
answer:
8047


question:
7, 11, ['8981', 'j', 'y', '4001', '9589', 'N', '2537', '593', 'G', '1477', '3105', 'I', 'I']
answer:

2537593G14773105