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: 5, 15, ['P', 'w', '2443', '3141', '1983', 'O', '207', 't', '281', 'Q', 'g', 'U', 'E', 'v', 'X']

1983O207t281QgUEvX