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:
6, 8, ['O', 'q', '4221', 'c', '8051', 'V', '639', 'E', 'X', '8367', 'g', 'K', '2951', '6485', '7635', 'q']
answer:
V639E


question:
12, 14, ['L', 'k', 'r', '5885', 'T', '117', '8029', 'z', '2773', 'I', 'X', '3375', 'e', 'N', 'a', '7099', 'I', '8579']
answer:
3375eN


question:
2, 6, ['1237', '923', 'I', '9135', '9967', 'L', '445', '9473', '7409']
answer:

923I91359967L