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To: python-list@python.org
From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: Of Functions, Objects, and Methods-I NEED HELP PLEASE
Date: Thu, 09 Jun 2011 10:25:36 -0700
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:7309

On Wed, 08 Jun 2011 23:59:35 -0700, Larry Hudson <orgnut@yahoo.com>
declaimed the following in gmane.comp.python.general:

> > class Dog():
> >      def __init__(self, name, breed):
> >          self.name = name
> >          self.breed = breed
> >
> >      def dogAppend(self):
> >          self.dogAppend = []
> >          self.dogAppend.append((self.name,self.breed))
> >          return self.dogAppend
>
 
> 2:  This won't work to append to your list anyway... each time you call dogAppend() it will 
> clear out any existing list and result in a list of one element, a tuple of (name, breed).  You 
> can do exactly the same thing with a single line:  return [(self.name, self.breed)]
>
	Worse than that... The first time dogAppend is called on an instance
of Dog, it replaces the dogAppend method with a binding to the (single
element) list created by the method.
 
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
        wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/