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, 4, ['i', '2353', 'A', 'm', 'K', '3203', '287', 'm', '5713']
answer:
2353Am


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


question:
15, 20, ['V', 'W', '4177', '5501', 'X', '7505', 'o', 'b', 'T', '6493', 'I', 'B', 'L', 'c', 'u', 'D', 'P', 'M', 'F', 'n', '8853', 'O', 'H', 'A', 'q']
answer:

uDPMFn