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


question:
1, 1, ['W', '6149', 'B', 'w', 'd', 'o', '2069', '1509']
answer:
W


question:
1, 3, ['F', '8859', 'I', 'Q', '9361']
answer:

F8859I