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, 2, ['k', '9837']
answer:
k9837


question:
7, 12, ['9281', 'T', '5681', '6237', 'U', '8929', 'D', 'A', 'e', 'g', 'H', '8847', 'J', 'w', 'w']
answer:
DAegH8847


question:
2, 12, ['3465', '1033', '4369', 'Z', '8575', 'x', '2773', '9251', '2141', '1549', 'p', '2165', 'm', 'x', '6237', 'd', '2841', '4203', 'A', 'O', 'b', '933']
answer:

10334369Z8575x2773925121411549p2165