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: 12, 13, ['w', '6311', '8123', '4883', '1695', 'D', '1705', '4975', '9397', '6377', '6505', '8859', 'H', 'v', 'h', '4187', 'n', 'A', '3181']

8859H