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: 11, 21, ['9425', '4561', 'm', '5433', '6187', 'p', '4385', '6237', 'U', '7631', 'w', 'j', '4753', 'K', '4901', '5421', 'c', 'x', '7341', '2627', 'Y', 'B', 'c', '9891', 'q', 'N', 'W', '2173', 'D', '6793']

wj4753K49015421cx73412627Y