The correct answer to the question “Which of the following is a comment in Python” is option ©. # This is a test. As, in Python, we use Hash character (#) in the start to denote it as a comment. If you wish to get trained and skilled in Python, then learn Python by enrolling in a good quality Python training course from Intellipaat. This course from Python offers you with best in quality instructor-led training and project works for you to help in honing your practical skills. Also, watch our YouTube video on Learn Python made by our domain experts.