Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From: Random832 <random832@fastmail.com>
Newsgroups: comp.lang.python
Subject: Re: What is a function parameter =[] for?
Date: Fri, 20 Nov 2015 14:32:51 +0000 (UTC)
Lines: 8
Message-ID: <mailman.519.1448030047.16136.python-list@python.org>
References: <d9045bdd-a5d4-4c5c-9fd3-3d54f6b50862@googlegroups.com> <mailman.429.1447884751.16136.python-list@python.org> <n2j0k4$up4$1@dont-email.me> <564dbe6b$0$1610$c3e8da3$5496439d@news.astraweb.com> <n2ki4t$aqj$1@dont-email.me> <564df258$0$1604$c3e8da3$5496439d@news.astraweb.com> <n2l0s3$5l6$1@dont-email.me> <564e71f6$0$1619$c3e8da3$5496439d@news.astraweb.com> <n2n1qp$m35$1@dont-email.me> <be65d54a-f6dd-4e32-84cf-117e3cad2e37@googlegroups.com> <n2n46v$uj0$1@dont-email.me> <9v7u4b1i0433efj1ineabik9p0e4ke0qop@4ax.com>
X-Trace: news.uni-berlin.de wtdXx13eDWIov7fqX6hdIQWSRuEnBB9tTCUlKm/8Uiag==
Return-Path: <python-python-list@m.gmane.org>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.011
X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'lookup': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'anyway).': 0.16; 'received:80.91.229.3': 0.16; 'received:io': 0.16; 'received:plane.gmane.org': 0.16; 'received:psf.io': 0.16; 'substitute': 0.16; 'wrote:': 0.16; "wouldn't": 0.16; 'parser': 0.22; 'header:User-Agent:1': 0.26; '(which': 0.26; 'header:X -Complaints-To:1': 0.26; 'primary': 0.31; 'received:comcast.net': 0.33; 'surprised': 0.33; 'behind': 0.35; 'to:addr:python-list': 0.36; 'subject:?': 0.36; 'subject:: ': 0.37; 'received:org': 0.37; 'doing': 0.38; 'no,': 0.38; 'does': 0.39; 'to:addr:python.org': 0.40; 'where': 0.40; 'ever': 0.60; 'effective': 0.63; 'dennis': 0.91; 'scenes': 0.91
X-Injected-Via-Gmane: http://gmane.org/
X-Gmane-NNTP-Posting-Host: c-68-39-146-59.hsd1.in.comcast.net
User-Agent: slrn/1.0.1 (Linux)
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.20+
Precedence: list
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive: <http://mail.python.org/pipermail/python-list/>
List-Post: <mailto:python-list@python.org>
List-Help: <mailto:python-list-request@python.org?subject=help>
List-Subscribe: <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Xref: csiph.com comp.lang.python:99153

On 2015-11-20, Dennis Lee Bieber <wlfraed@ix.netcom.com> wrote:
> 	You can substitute		list()	where ever you use	[] with no
> effective change in the semantics. (I wouldn't be surprised if the parser
> was doing that behind the scenes anyway).

No, because list() does a name lookup on "list" (which is the primary issue
behind every request for frozendict/frozenset literals)