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, 11, ['8031', 'u', 'b', 'm', 'I', 't', 'I', 'U', '5625', 'P', 'M', 'J', 'Y', '1111']
answer:
ubmItIU5625PM


question:
2, 2, ['t', 'E']
answer:
E


question:
6, 6, ['A', 'm', 'Q', '3075', 'm', '9271', '6075', 'w', '1881', 'y', '4831']
answer:

9271