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, 7, ['8537', '7133', 'N', '5905', 'C', '581', 'E', 'H']
answer:
N5905C581E


question:
5, 12, ['2463', '9553', 't', 'e', '7439', '7757', '7619', '8787', '1853', 'Q', 'u', 'V', '8243', '4889', 's']
answer:
74397757761987871853QuV


question:
2, 3, ['o', '7005', '9899', 'g', '7309', 'T', '5171', 'C', '3335', 'B']
answer:

70059899