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:
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:
4, 18, ['F', '7181', 'r', 'n', 'd', 'I', 'h', '9331', 'g', '2925', 'N', 'k', 'z', '9633', '3581', 'Y', 'P', 'X', 'J', '4933', '1195', 'g', 'B', 'L', '177', '2025']
answer:

ndIh9331g2925Nkz96333581YPX