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, 20, ['2647', 'L', '577', 'G', '5785', 'L', 'V', '1797', '2807', 'I', 'q', 'Z', 'z', '3895', 'Z', 'B', 'm', 'W', 'm', '7319', '153', 'z', '147', 'I', '9507', 'k', 'x', '1171', '7693', '7413']

z3895ZBmWm7319