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:
1, 4, ['6945', 'D', 'a', 's', 'q', 'M']
answer:
6945Das


question:
2, 6, ['M', '3849', '5351', '7229', '3093', 'h']
answer:
3849535172293093h


question:
9, 10, ['t', '697', 'c', 'V', 'f', 'p', 't', '8837', 'A', 'w', '6667', '7745', 'Q', '3879', 'D']
answer:

Aw


