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:
6, 20, ['4769', '8075', 'N', '125', '5439', 'R', '4201', 'j', 'z', 'x', '3169', 'd', '1561', '7995', 'F', 'T', 'F', 'v', 'Z', '9517', 'e', 'I', '7765', 'o', '4659', 'N', '3963']
answer:
R4201jzx3169d15617995FTFvZ9517


question:
1, 1, ['8465', '3711', '3119', '3421', 'c', '3281', 't', '1883', 'a', 'b', '2931', 'v', '921', 's', 'j', 'M', 'G', '4385', '1507', '555', 'p', 's', '257', '2595', 'E', 'k', '8001']
answer:
8465


question:
1, 9, ['j', '1597', 'T', '9227', '9509', 'm', '395', '1549', '7713', '263']
answer:

j1597T92279509m39515497713