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:
14, 17, ['6221', '8033', 'U', 'z', 'Y', 'f', 'I', '493', 'N', '9029', '2921', 'p', '3617', 'H', 'N', '6035', '1457']
answer:
HN60351457


question:
5, 13, ['9669', '7783', 'M', 'Q', 'U', '3521', '9305', 'X', 'd', '7401', '4845', '9237', 'P', 'o', 'O']
answer:
U35219305Xd740148459237P


question:
19, 27, ['5561', '6455', 'X', '4175', '4807', 'Y', 'W', 'o', 'm', 't', '2275', '5381', '9051', '231', 'e', 'C', 'L', 'Q', '8323', '1387', '4269', '9121', 'u', '7299', '2805', 'y', 's']
answer:

8323138742699121u72992805ys