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, 11, ['2129', '3125', '6199', '3823', 'q', 'v', 's', '9725', '9651', '249', 'o', '827', 'a', 'g', 'B', '2093', 'v', 'm']
answer:
97259651249o


question:
2, 2, ['1011', 'd', '7535', 'w', '8647', 'K', 'i', 'i']
answer:
d


question:
1, 1, ['1335', '2779', '9727']
answer:

1335