锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20037;&#20037;&#39640;&#28165;&#19968;&#32423;&#27611;&#29255;&#44;&#20037;&#20037;&#31934;&#21697;&#33609;&#33609;&#33609;&#44;&#22269;&#20135;&#31934;&#21697;&#20037;&#20037;&#20037;&#20037;&#8230;</title><link>http://www.shnenglu.com/varg-vikernes/category/16061.html</link><description /><language>zh-cn</language><lastBuildDate>Thu, 24 Feb 2011 07:15:13 GMT</lastBuildDate><pubDate>Thu, 24 Feb 2011 07:15:13 GMT</pubDate><ttl>60</ttl><item><title>python涓渶瀹規(guī)槗璁╀漢鐏ぇ鐨勪袱涓棶棰?/title><link>http://www.shnenglu.com/varg-vikernes/archive/2011/02/08/139803.html</link><dc:creator>緋背</dc:creator><author>緋背</author><pubDate>Tue, 08 Feb 2011 07:38:00 GMT</pubDate><guid>http://www.shnenglu.com/varg-vikernes/archive/2011/02/08/139803.html</guid><wfw:comment>http://www.shnenglu.com/varg-vikernes/comments/139803.html</wfw:comment><comments>http://www.shnenglu.com/varg-vikernes/archive/2011/02/08/139803.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/varg-vikernes/comments/commentRss/139803.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/varg-vikernes/services/trackbacks/139803.html</trackback:ping><description><![CDATA[1. list瀵硅薄鐨?鎿嶄綔絎?br>
<div style="background-color: #eeeeee; font-size: 13px; border: 1px solid #cccccc; padding: 4px 5px 4px 4px; width: 98%;"><!--<br><br>Code highlighting produced by Actipro CodeHighlighter (freeware)<br>http://www.CodeHighlighter.com/<br><br>--><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;a&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;[[</span><span style="color: #000000;">1</span><span style="color: #000000;">]]</span><span style="color: #000000;">*</span><span style="color: #000000;">10</span><span style="color: #000000;"><br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;a<br>[[</span><span style="color: #000000;">1</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">1</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">1</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">1</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">1</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">1</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">1</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">1</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">1</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">1</span><span style="color: #000000;">]]<br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;a[</span><span style="color: #000000;">1</span><span style="color: #000000;">][0]&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;</span><span style="color: #000000;">2</span><span style="color: #000000;"><br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;a<br>[[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">]]<br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;"> <br></span></div>
涔熷氨鏄錛岃繖10涓璞″疄闄呬笂鏄寚鍚戠殑鍚屼竴涓猯ist瀵硅薄銆?br>榪欐槸bug錛岃繕鏄痜eature錛熸垨鑰呮槸浼樺寲錛?br>鎬諱箣鏄洰璁╀漢鐏ぇ鐨勫氨鏄簡銆?br>鐢?a = [[0] for x in range(10)] 榪欑鍐欐硶灝辨病鏈夎繖涓棶棰樹簡銆?br><br><br>2. 娣辨嫹璐?br>
<div style="background-color: #eeeeee; font-size: 13px; border: 1px solid #cccccc; padding: 4px 5px 4px 4px; width: 98%;"><!--<br><br>Code highlighting produced by Actipro CodeHighlighter (freeware)<br>http://www.CodeHighlighter.com/<br><br>--><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;a&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;[[0]&nbsp;</span><span style="color: #0000ff;">for</span><span style="color: #000000;">&nbsp;x&nbsp;</span><span style="color: #0000ff;">in</span><span style="color: #000000;">&nbsp;range(</span><span style="color: #000000;">10</span><span style="color: #000000;">)]<br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;a<br>[[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0]]<br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;b&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;list(a)<br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;b<br>[[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0]]<br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;a[</span><span style="color: #000000;">1</span><span style="color: #000000;">][0]&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;</span><span style="color: #000000;">2</span><span style="color: #000000;"><br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;b<br>[[0],&nbsp;[</span><span style="color: #000000;">2</span><span style="color: #000000;">],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0],&nbsp;[0]]<br></span><span style="color: #000000;">&gt;&gt;&gt;</span><span style="color: #000000;">&nbsp;<br></span></div>
b = list(a) <br>鎰忓懗鐫�a鍜宐涓兘瀛樻斁榪?0涓寚閽堛�傛寚鍚慬0], [0], [0] .... 榪?0涓璞°�?br>a[1][0] = 2 鍚?a 鑷繁鐨勫�兼病鏈夋敼鍙橈紝鏀瑰彉鐨勬槸絎簩涓?[0] 瀵硅薄銆?br>鐢變簬 b 涔熸槸鎸囧悜瀹冪殑錛屾墍浠ユ墦鍗癰鐨勬椂鍊欎細(xì)鍙戠幇榪欎竴鐐廣�?br>榪欎釜闂鏄嚜宸辯粡甯哥姱鐨勯棶棰橈紝澶у閮芥槸debug鍗婂ぉ鎵嶇煡閬撴�庝箞鍥炰簨銆?br>浣跨敤<br>import copy<br>b = copy.deepcopy(a)<br>鍙互瑙ｅ喅榪欎釜闂銆?br><br>3. 濡備綍閬垮厤榪欎簺闂<br>瑕佹椂鍒昏寰楋紝python涓殑瀵硅薄灝卞彧鏈変袱縐嶏紝mutable鍜宨mmutable銆備篃灝辨槸鍙敼鍙樺拰涓嶅彲鏀瑰彉銆?br>immutable鐨勫寘鎷細(xì)str&nbsp; tuple&nbsp; int ...<br>mutable鍙敼鍙樼殑鍖呮嫭錛歭ist dict ...<br>immutable鐨勫氨鏄師瀛愮殑銆俶utable閲岄潰瀛樻斁鐨勯兘鏄寚鍚憁utable鎴栬�卛mmutable鐨勬寚閽堛�?br>璋冭瘯鐨勬椂鍊欙紝鍙互浣跨敤id(obj)鑾峰緱姣忎釜瀵硅薄鐨刬d銆傝繖涓矊浼煎氨鏄痯ython綆＄悊鐨勮繍琛屾椂鐨勫璞＄殑鍦板潃銆?br>濡傛灉鍙戠幇涓や釜obj鐨刬d鐩稿悓錛岄偅浠栦滑灝辨槸鍚屼竴涓揣銆傘�?br> <img src ="http://www.shnenglu.com/varg-vikernes/aggbug/139803.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/varg-vikernes/" target="_blank">緋背</a> 2011-02-08 15:38 <a href="http://www.shnenglu.com/varg-vikernes/archive/2011/02/08/139803.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                       <footer>
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