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:
17, 22, ['2153', 'N', 's', 'P', '5243', '7853', '2651', '7401', '7569', '7435', 'W', 'L', '7365', '5215', '5665', 'C', 'e', 'k', '7517', 'E', '9439', '9005']
answer:
ek7517E94399005


question:
8, 17, ['7273', 'T', 'O', '2467', '67', '8779', 'n', 'J', 'C', '7989', 'n', 'n', '6841', '5229', 'B', 's', '2247', 'P']
answer:
JC7989nn68415229Bs2247


question:
17, 21, ['9871', 'T', 'l', '543', 'g', 'M', 'u', 'k', '3201', 'T', '2205', 'T', 'M', '3307', '4827', 'a', '5933', 'S', 'O', '5301', '9807', '507', 'T', '2369', 'h']
answer:

5933SO53019807