Definition: 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.
Input: 9, 12, ['4969', 'n', '7967', 'j', 'o', 'P', 'v', '49', '6707', '4663', '9845', 'L', '3513', 'K', '2007']

670746639845L