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: 13, 18, ['2991', '1115', 'S', '3695', 'v', '3883', '5913', 'i', '4739', '4231', '1411', '2469', '2821', 'u', 'T', '4599', '245', '4369', 'A', '8287', 'N', 'O']

2821uT45992454369