Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Python Object-Oriented Python Advanced Objects Proper Properties

Posted by Basile Breton
Basile Breton
3,906 Points

Bummer for missing attribute whereas added

Hi all, I don't understand why I get the Bummer "No 'area' attribute" when I try to add the area property to my rectangle

rectangle.py 
class Rectangle:
    def __init__(self, width, length):
        self.width = width
        self.length = length

    @property    
    def area(self):
        return self.width*self.lenght

1 Answer

Steven Parker
Steven Parker
231,275 Points
Steven Parker
Steven Parker
231,275 Points

Those typo's will get ya! You have "lenght" instead of "length".

Basile Breton
Basile Breton
3,906 Points

Haha you're right, thanks Steven!