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:
18, 24, ['I', 'b', 'D', '1473', '1985', 'z', '1889', 'D', 'i', 'X', 'b', '5935', '3121', 'z', 'y', 'A', 'j', '5803', '9023', 'L', '1393', '3667', 'Y', 'M', '3021', 'l']
answer:
58039023L13933667YM


question:
2, 5, ['n', '9985', 'x', 'h', '2697', 'c']
answer:
9985xh2697


question:
3, 17, ['2783', '1855', 'Y', 'k', 'S', 'r', 'K', 'x', '8229', '1509', 'Y', '1839', 'q', 'k', 'r', 'a', 'Q', 'q', '1213', 's']
answer:

YkSrKx82291509Y1839qkraQ