Path: csiph.com!news.mixmin.net!newsfeed.fsmpi.rwth-aachen.de!newsfeed.straub-nv.de!news-1.dfn.de!news.dfn.de!news.informatik.hu-berlin.de!fu-berlin.de!uni-berlin.de!not-for-mail From: "wangq@travelsky.com" Newsgroups: comp.lang.python Subject: Re: Re: Question about math.pi is mutable Date: Mon, 9 Nov 2015 08:52:42 +0800 Lines: 20 Message-ID: References: <201511061033583772468@travelsky.com>, Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 X-Trace: news.uni-berlin.de DhvkyVsIwdZDChetjjEmwAVRX1a0FEKO++7D/RD1ouhQ== Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.002 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'python,': 0.02; 'modify': 0.04; 'newbie': 0.05; 'subject:Question': 0.05; 'cc:addr:python- list': 0.09; 'mutable': 0.09; 'python': 0.10; ':-)': 0.12; 'advance!': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'sorts': 0.16; 'value:': 0.16; 'wrote:': 0.16; '>': 0.18; '(in': 0.18; '2015': 0.20; 'cc:2**0': 0.20; 'cc:addr:python.org': 0.20; 'chris': 0.26; 'fri,': 0.27; 'question': 0.27; 'decimal': 0.29; 'that.': 0.30; 'date:': 0.31; 'useful': 0.33; 'cc:': 0.35; 'nov': 0.35; 'replace': 0.35; 'subject:': 0.35; 'but': 0.36; 'there': 0.36; 'pm,': 0.36; 'subject:: ': 0.37; 'say': 0.37; 'thank': 0.38; 'hi,': 0.38; 'why': 0.39; 'from:': 0.39; 'hello,': 0.40; 'your': 0.60; 'times': 0.63; 'python-list': 0.66; 'virtually': 0.66; 'china.': 0.79; 'chrisa': 0.84 X-Priority: 3 X-Has-Attach: no X-Mailer: Foxmail 7, 2, 6, 40[cn] X-Mailman-Approved-At: Mon, 09 Nov 2015 04:20:09 -0500 X-Content-Filtered-By: Mailman/MimeDel 2.1.20+ X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com comp.lang.python:98506 SGksIENocmlzIEFuZ2VsaWNvICwNCg0KICAgIFRoYW5rIHlvdSBmb3IgeW91ciBoZWxwICEgIDot KQ0KIA0KRnJvbTogQ2hyaXMgQW5nZWxpY28NCkRhdGU6IDIwMTUtMTEtMDYgMTg6MzANClRvOiB3 YW5ncUB0cmF2ZWxza3kuY29tDQpDQzogcHl0aG9uLWxpc3QNClN1YmplY3Q6IFJlOiBRdWVzdGlv biBhYm91dCBtYXRoLnBpIGlzIG11dGFibGUNCk9uIEZyaSwgTm92IDYsIDIwMTUgYXQgMTozMyBQ TSwgd2FuZ3FAdHJhdmVsc2t5LmNvbSA8d2FuZ3FAdHJhdmVsc2t5LmNvbT4gd3JvdGU6DQo+IEhl bGxvLCBweXRob24tbGlzdCBndXlzOg0KPg0KPiAgICAgSSBhbSBhIG5ld2JpZSBvZiBweXRob24g ZnJvbSBCZWlqaW5nLiBDaGluYS4NCj4gICAgIEkgaGF2ZSBhIHF1ZXN0aW9uIGFib3V0ICJtYXRo LnBpIi4NCj4gICAgIEFzIHlvdSBjYW4gc2VlIGluIHRoZSBhdHRhY2htZW50LCB3aHkgaSBjYW4g bW9kaWZ5ICJtYXRoLnBpIj8NCj4gICAgIChpbiAibWF0aG1vZHVsZS5jIiAicGkiIGlzIGEgInN0 YXRpYyBjb25zdCBkb3VibGUiKQ0KPg0KPiBUaGFuayB5b3UgaW4gYWR2YW5jZSENCj4NCj4gQmVz dCBXaXNoZXPvvIENCiANClNpbXBseSBiZWNhdXNlLCBpbiBQeXRob24sIHZpcnR1YWxseSBldmVy eXRoaW5nIGNhbiBiZSBjaGFuZ2VkLiBZb3UncmUNCndlbGNvbWUgdG8gZ28gaW4gYW5kIHNheSAi bWF0aC5waSA9IDMiIGlmIHlvdSBsaWtlLi4uIGFuZCB0aGVuIHlvdQ0KYWNjZXB0IHRoZSBjb25z ZXF1ZW5jZXMgb2YgdGhhdC4NCiANClRoZXJlIGFyZSB0aW1lcyB3aGVuIHlvdSB3YW50IHRvIGNo YW5nZSB0aGVzZSBzb3J0cyBvZiAnY29uc3RhbnRzJy4NCkZvciBleGFtcGxlLCBtYXRoLnBpIGlz IGEgZmxvYXQ7IGJ1dCBpZiB5b3UncmUgd29ya2luZyB3aXRoDQpkZWNpbWFsLkRlY2ltYWwgZXZl cnl3aGVyZSwgaXQgbWlnaHQgYmUgdXNlZnVsIHRvIHJlcGxhY2UgaXQgd2l0aCBhDQpjb3JyZXNw b25kaW5nIERlY2ltYWwgdmFsdWU6DQogDQptYXRoLnBpID0gZGVjaW1hbC5EZWNpbWFsKCIzLjE0 MTU5MjY1MzU4OTc5MzIzIikNCiANCkFuZCB0aGF0J3MgcGVyZmVjdGx5IGxlZ2FsLg0KIA0KQ2hy aXNBDQogDQo=