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:
4, 5, ['7973', '2725', 'o', '7407', '99', 'I', 'G', 'e', '6517', '6979', '2273', 'K', '2143', '3599', 'a', '9377', '4071', 'z', 'b', '8969', 'J', 'y']
answer:
740799


question:
20, 26, ['E', 'V', '6917', 'K', '9757', '985', '8375', '7783', 'O', 's', 'p', 'M', 'V', 'f', 'P', 'm', 'l', '8799', '3835', 'T', '1565', '4931', '265', 'N', 'n', 'z', '1651', 'w', '6267']
answer:
T15654931265Nnz


question:
15, 16, ['7575', 'a', 'j', '5297', '3499', '2935', '429', 'T', 'E', 'l', 'i', 'V', '3787', 'w', 'L', 'X']
answer:

LX


