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, 13, ['G', '4913', 'i', 'b', 'Q', '6937', '4251', 'Z', '535', '5563', 'x', '4813', '363', '1985', '3913', 'w', 'o', 'U', 'y']
answer:
Q69374251Z5355563x4813363


question:
3, 6, ['8207', 'L', 'T', 'x', 'G', '6461', 'v', '3461', '2891', '9817', '1803', '2323', '2017', '6767', '915', 'd', 'u', 'c', '9895', 'L', 'U', '2131', 's', '6857']
answer:

TxG6461