Write a method called stutter that accepts an ArrayList of strings and an integer as parameters and that replaces every string with copies of that string. For example, if the list stores the values ["how", "are", "you?"] before the method is called and is 4, it should store the values ["how", "how", "how", "how", "are", "are", "are", "are", "you?", "you?", "you?", "you?"] after the method finishes executing. If k is 0 or negative, the list should be empty after the call.