Python sample question with answer 5

Question:
Which of the following code blocks contains a valid Python comment?

1. comment: This prints a "Try again" message
   print("Try again")

2. # This prints a "Try again" message
   print("Try again")

3. This prints a "Try again" message
   print("Try again")

4. : This prints a "Try again" message
   print("Try again")

Answer:
B - is the correct answer. The following code block contains a valid Python comment: A comment is a note programmers make about the intention behind their code. Comments begin with the hash symbol (#)