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: 19, 19, ['4917', '3489', 'B', 'O', 'O', '2209', '689', '7665', '1711', '5765', '3231', '1499', '6453', 'X', '8623', 'l', '5771', 'a', 'k', '9469', '1699']

k