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:
17, 22, ['h', '1221', '3491', '7041', 'm', '7999', 'V', 'r', 'D', 'r', '1121', 'N', '6441', '1683', '3653', 'U', 'e', 'L', '4859', '1677', 'U', '5549', 'g', '3859']
answer:
eL48591677U5549


question:
8, 11, ['2129', '3125', '6199', '3823', 'q', 'v', 's', '9725', '9651', '249', 'o', '827', 'a', 'g', 'B', '2093', 'v', 'm']
answer:
97259651249o


question:
1, 2, ['j', 'u', 'i', '2831', '8003']
answer:

ju