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, 2, ['t', 'E']
answer:
E


question:
13, 15, ['e', '7179', 'W', 'k', '9187', 'l', 'w', '4171', '4091', 'C', '8441', 'P', 'b', '6177', '9279', 'L']
answer:
b61779279


question:
8, 9, ['283', '1439', '1161', '8639', '7689', '6937', '9651', '8115', '6071', '2335', 'I', 'T', 'P', 'j', '8243', '213', 'V', '3895', '7839', 'N', 'G', '5849', '3153', '5603', '7005', '1343', 'u']
answer:

81156071