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, ['5289', 'S', '8879', '4343', '2351', 'h', 'A', 'G', 'W', '8763']
answer:
S887943432351hA


question:
4, 6, ['1399', 'd', 'X', '4795', 'H', 'R']
answer:
4795HR


question:
6, 25, ['C', 'x', 'A', '8395', 'y', '3587', 'G', '4791', 'I', 'r', 'c', '5235', 'c', '3', '8911', 'A', 'p', 'I', '6393', '4699', 'w', 'E', 'C', '4427', '4057', '2329']
answer:

3587G4791Irc5235c38911ApI63934699wEC44274057