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: 4, 17, ['v', '5449', 'q', '4813', 'l', 'h', 'z', 'H', 'c', 'N', 'l', 'G', 'v', 'K', '1877', '8127', 'W', '5239', 'G']

4813lhzHcNlGvK18778127W