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:
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:
8, 9, ['1193', 'g', 'w', 'x', 'd', '8315', '671', 'O', '8691', '829', 'V', 'h', '7659', 'u']
answer:
O8691


question:
17, 21, ['9559', 'J', '1673', 'l', 'O', 'f', 'I', '5483', 'f', '9789', '4797', 's', '7667', 'w', 'E', 'O', 'q', 'M', 'h', 'M', '5841', 'P', '7901']
answer:

qMhM5841