Welcome to the Treehouse Community
The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Basel Kanaan
4,458 Pointshello i need a littile help here
i would like to have a little help here please
class Liar(list):
def __len__(self):
return len(self +1)
1 Answer

Ave Nurme
20,907 PointsHi Basel
I checked the challenge and tried it out myself.
Your first two lines are correct.
In your return statement you need to override the __len__
method with super()
and then add +1 (or +2 or whatever value). The __len__
method itself does not take any arguments.
Hope this helps!