Ray Holt wrote: > Why am I getting the following error message. Area has been declared as > an attribute of Circle. Thanks, Ray > > > class Circle: > def __init__(self): > self.radius = 1 > def area(self): > return self.radius * self.radius * 3.14159 > c = Circle() > c.radius = 3 > print c.area() > > > > Traceback (most recent call last): > File "<pyshell#9>", line 1, in <module> > class Circle: > File "<pyshell#9>", line 8, in Circle > print c.area() > AttributeError: Circle instance has no attribute 'area' > Because you have indented the last three lines to make them a part of the Circle definition. Generally four spaces makes a better indent, and that kind of problem is then much more obvious.
regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 PyCon is coming! Atlanta, Feb 2010 http://us.pycon.org/ Holden Web LLC http://www.holdenweb.com/ UPCOMING EVENTS: http://holdenweb.eventbrite.com/ -- http://mail.python.org/mailman/listinfo/python-list
