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, ['1011', 'd', '7535', 'w', '8647', 'K', 'i', 'i']
answer:
d


question:
11, 20, ['4081', '915', 'e', '765', '4125', '9603', '1557', 'C', 'L', 'k', 'd', 'h', '5317', 'J', '8587', 'm', 'B', '273', 'K', 'b', '951', '2385', 'v']
answer:
dh5317J8587mB273Kb


question:
4, 14, ['9091', '9643', 'v', 'J', 'q', 'P', '5913', 's', 'F', 't', '8721', '2989', '4599', '4813', 'G', '8101', '3337', '9121', '601', 'H', 'z', 'W', 'I', '4653']
answer:

JqP5913sFt8721298945994813