Citation enhances persuasion of information sources.
Refutation means understanding the viewpoint of the opposition and then countering it by providing respective evidence or by finding mistakes in the logic of the opposition's argument.
<h2>Answer:</h2><h2></h2><h2>phone = int(input("What is your phone number?"))</h2><h2></h2><h2>Hope this helps, have a great day, stay safe, and positive!!</h2>