On Thu, Jan 28, 2010 at 11:57 AM, Ray Holt <mrhol...@sbcglobal.net> 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'
Unable to reproduce: Python 2.6.4 (r264:75706, Dec 20 2009, 15:52:35) [GCC 4.2.1 (Apple Inc. build 5646) (dot 1)] on darwin >>> 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() 28.27431 Cheers, Chris -- http://blog.rebertia.com -- http://mail.python.org/mailman/listinfo/python-list