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From: "Prasad, Ramit" <ramit.prasad@jpmchase.com>
To: "'Terry Reedy'" <tjreedy@udel.edu>, "'python-list@python.org'" <python-list@python.org>, "'Uncle Ben'" <bgreen@nycap.rr.com>
Date: Thu, 26 May 2011 15:34:01 -0400
Subject: RE: Puzzled by list-appending behavior
Thread-Topic: Puzzled by list-appending behavior
Thread-Index: Acwb1ai4VU4+0W9cSa22aPvjt1afiQABaQRg
References: <16c21256-48df-416a-971f-de49ca4cc981@x6g2000yqj.googlegroups.com> <201105261718.36646.akabaila@pcug.org.au> <irm735$pp1$1@dough.gmane.org>
In-Reply-To: <irm735$pp1$1@dough.gmane.org>
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>> And why do you insist on calling an instance of list, "list"? Even a=0D=
=0A>> human reader will confuse which is which=2E What you are showing is a=
n=0D=0A>> example how confusing things become when a keyword (list) is=0D=
=0A>> over-written (with list instance)=2E=0D=0A=0D=0A> (Minor note: 'list'=
 is not a keyword (if it were, it could not be =0D=0A>over-ridden) but it i=
s a builtin=2E) You are correct, it is confusing=2E =0D=0A>Such usage will =
also lead to bugs if one ever tries to access the >class =0D=0A>as 'list' l=
ater in the program=2E=0D=0A=0D=0A=0D=0AAn example of overriding built-ins =
you *really* do not want to happen (python 2=2E6=2E4): =0D=0A>>> True =3D F=
alse=0D=0A>>> True =3D=3D False=0D=0ATrue=0D=0A>>> print True=0D=0AFalse=0D=
=0A=0D=0AFrom what I can tell, this does not work in Python 3=2Ex (at least=
 not in Python 3=2E1=2E1)=0D=0A=0D=0A=0D=0A=0D=0ARamit=0D=0A=0D=0A=0D=0A=0D=
=0ARamit Prasad | JPMorgan Chase Investment Bank | Currencies Technology=0D=
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