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, 7, ['T', 'L', 'F', 'W', '9781', 'Y', '4499']
answer:
LFW9781Y4499


question:
10, 10, ['7373', 'K', 'n', '9163', '7535', 'G', '5243', 'j', 'x', 'O', '1973']
answer:
O


question:
4, 7, ['t', 'V', '1583', '493', 'D', 'O', 'k', '6671', 'e', '3629', 'D', '1357', 'X', '8391', '3555', '949', '6185', '4347', 'R', 'r', '9081', 'R', '1011', '81', 'a', 'p', 't', 'v', 'm', '9817']
answer:

493DOk