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, 3, ['1211', 'B', '3591', '9293', '1455', 'o', 'O', 'D', 'g', 'F', 'e']
answer:
B3591


question:
12, 12, ['O', 'y', 'c', 'E', 'g', 'o', '6539', 'r', '8917', '2839', '109', '6143', '3091', 'e', 'S', 'L', 'C', '4359']
answer:
6143


question:
3, 9, ['8393', '9203', 'f', '4293', '5985', 'G', 'y', '1643', '9643', 'i', 'p', 'd', '3077', '9911', 'V', '6469', '9177', '3475']
answer:

f42935985Gy16439643