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, 2, ['7147', 'T', '8623', '4399', '8963', 'B', 'r', 'x', 'F', 'L', '5201']
answer:
T


question:
8, 9, ['4155', 'z', '1045', 'b', '721', '6473', 'l', 'k', 'M', '8775', '2565', 'P', '669']
answer:
kM


question:
3, 3, ['775', 'r', 'i']
answer:

i