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: 14, 19, ['1399', '6207', '9631', '5069', 'g', 'k', '7709', '3013', 'i', '6409', '4195', '2723', 'k', 'r', 'l', 'J', '3697', 'x', 'q', '13', '5305']

rlJ3697xq