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:
2, 7, ['T', 'L', 'F', 'W', '9781', 'Y', '4499']
answer:
LFW9781Y4499


question:
3, 23, ['C', 's', 'j', 'P', 'O', '6289', 'U', '1031', 'c', 'b', '8547', 'b', '9001', '7117', '7107', 'g', '6091', '7525', '7209', '2819', 'f', 'z', '4449', 'N', '4849']
answer:
jPO6289U1031cb8547b900171177107g6091752572092819fz4449


question:
1, 5, ['H', '2295', 's', 'T', 'Q', 's', 'm', 'W', 'P']
answer:

H2295sTQ