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, 17, ['l', '4279', 'O', '8503', '8669', 'f', 'U', 'I', 'A', 'q', 'q', '6735', 'S', 't', '7713', '8889', 'F', '8879', 'g', '4247', '9465', 'z']
answer:
4279O85038669fUIAqq6735St77138889F


question:
1, 9, ['k', '7505', '9065', '8995', 'w', '1741', '2359', 'V', '4271', 'f', '3809', '1465', 'J', '9819', 'Q', '5419']
answer:
k750590658995w17412359V4271


question:
12, 13, ['K', 'n', '1523', '7537', 'N', '433', 'F', 'L', '9133', '6463', '4617', '6865', '3401', '103', 'H']
answer:

68653401