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, 3, ['1153', '947', '8291']
answer:
11539478291


question:
3, 8, ['F', '6435', '679', 'J', '2393', 'T', '3587', 'S', '5615', 'P', 'U', 'f', 'W', 'u', 'f', '9115', 's', 'X', 'G', 't', 'W', 'q', 'g', 'I', '5537', '5063']
answer:
679J2393T3587S


question:
2, 14, ['C', 'W', '1313', 'q', '9177', 'B', '1881', '683', '2391', 'Y', 'v', 'N', 'D', 'q', '4491', 'I', 'A', '9669']
answer:

W1313q9177B18816832391YvNDq