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:
1, 15, ['F', '6719', '7233', '4085', 'Q', 'N', '3827', '9487', 'o', '2955', '3199', '6321', 'R', '1021', 'u', 'k', '9039', 'k', 'c', '1197', '805', 'f', '5155', 'P', 'm', '6037', 'J', '6089', 'W', 'N']
answer:
F671972334085QN38279487o295531996321R1021u


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


question:
15, 25, ['c', 'K', 'x', 'j', 'Z', '3803', '3723', 'f', 'H', '4067', 'H', 'j', 'p', '2905', '4579', '2145', 'x', 'g', 'X', '6319', '7137', '8193', 'g', '1143', 'D']
answer:

45792145xgX631971378193g1143D