Single-line comments and docstrings.
✍️ 3 exercises + code challenge in this lessonComments explain your code and are ignored by Python.
# and runs to the end of the line.# lines, or a triple-quoted string """...""".Mastering Python Comments helps you write clean and reliable Python code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.
# This is a comment
print("Hello") # comment at the end of a line
"""
This text is not assigned to anything,
so Python ignores it.
"""
def area(r):
"""Return the area of a circle with radius r."""
return 3.14159 * r * r
print(area(2))
print(area.__doc__)Check what you learned in “Python Comments”.
Write a comment.
This is a comment
What is a docstring?
Comment out the second line so only "Keep" is printed.
Free sign-in required · Google login available
Stuck on something?
Ask the community in the CodesInTech forum.
Need a developer?
Learning on your own is great — and when you need professional help, our team builds custom software, websites and mobile apps for clients worldwide.
Explore Our Services