{"id":87,"date":"2021-10-01T00:37:09","date_gmt":"2021-09-30T16:37:09","guid":{"rendered":"https:\/\/www.tysql.com\/?p=87"},"modified":"2021-10-01T00:37:09","modified_gmt":"2021-09-30T16:37:09","slug":"python%e4%b8%ad%e5%88%a0%e9%99%a4%e6%9f%90%e4%b8%aa%e5%85%83%e7%b4%a0%e7%9a%843%e7%a7%8d%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.tysql.com\/index.php\/2021\/10\/01\/python%e4%b8%ad%e5%88%a0%e9%99%a4%e6%9f%90%e4%b8%aa%e5%85%83%e7%b4%a0%e7%9a%843%e7%a7%8d%e6%96%b9%e6%b3%95\/","title":{"rendered":"python\u4e2d\u5220\u9664\u67d0\u4e2a\u5143\u7d20\u76843\u79cd\u65b9\u6cd5"},"content":{"rendered":"\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:false,&quot;languageLabel&quot;:false,&quot;fullScreenButton&quot;:false,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;darcula&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:true,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&quot;,&quot;language&quot;:&quot;Python&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;python&quot;}\">1.remove: \u5220\u9664\u5355\u4e2a\u5143\u7d20\uff0c\u5220\u9664\u9996\u4e2a\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\uff0c\u6309\u503c\u5220\u9664\n\u4e3e\u4f8b\u8bf4\u660e:\n&gt;&gt;&gt; str=[1,2,3,4,5,2,6]\n&gt;&gt;&gt; str.remove(2)\n&gt;&gt;&gt; str\n[1, 3, 4, 5, 2, 6]\n\n2.pop:  \u5220\u9664\u5355\u4e2a\u6216\u591a\u4e2a\u5143\u7d20\uff0c\u6309\u4f4d\u5220\u9664(\u6839\u636e\u7d22\u5f15\u5220\u9664)\n&gt;&gt;&gt; str=[0,1,2,3,4,5,6]\n&gt;&gt;&gt; str.pop(1)   #pop\u5220\u9664\u65f6\u4f1a\u8fd4\u56de\u88ab\u5220\u9664\u7684\u5143\u7d20\n1\n&gt;&gt;&gt; str\n[0, 2, 3, 4, 5, 6]\n&gt;&gt;&gt; str2=['abc','bcd','dce']\n&gt;&gt;&gt; str2.pop(2)\n'dce'\n&gt;&gt;&gt; str2\n['abc', 'bcd']\n\n3.del\uff1a\u5b83\u662f\u6839\u636e\u7d22\u5f15(\u5143\u7d20\u6240\u5728\u4f4d\u7f6e)\u6765\u5220\u9664\n\u4e3e\u4f8b\u8bf4\u660e:\n&gt;&gt;&gt; str=[1,2,3,4,5,2,6]\n&gt;&gt;&gt; del str[1]\n&gt;&gt;&gt; str\n[1, 3, 4, 5, 2, 6]\n&gt;&gt;&gt; str2=['abc','bcd','dce']\n&gt;&gt;&gt; del str2[1]\n&gt;&gt;&gt; str2\n['abc', 'dce']\n\n\u9664\u6b64\u4e4b\u5916\uff0cdel\u8fd8\u53ef\u4ee5\u5220\u9664\u6307\u5b9a\u8303\u56f4\u5185\u7684\u503c\u3002\n&gt;&gt;&gt; str=[0,1,2,3,4,5,6]\n&gt;&gt;&gt; del str[2:4]  #\u5220\u9664\u4ece\u7b2c2\u4e2a\u5143\u7d20\u5f00\u59cb\uff0c\u5230\u7b2c4\u4e2a\u4e3a\u6b62\u7684\u5143\u7d20(\u4f46\u662f\u4e0d\u5305\u62ec\u5c3e\u90e8\u5143\u7d20)\n&gt;&gt;&gt; str\n[0, 1, 4, 5, 6]\n\ndel \u4e5f\u53ef\u4ee5\u5220\u9664\u6574\u4e2a\u6570\u636e\u5bf9\u8c61(\u5217\u8868\u3001\u96c6\u5408\u7b49)\n&gt;&gt;&gt; str=[0,1,2,3,4,5,6]\n&gt;&gt;&gt; del str\n&gt;&gt;&gt; str         #\u5220\u9664\u540e\uff0c\u627e\u4e0d\u5230\u5bf9\u8c61\n\nTraceback (most recent call last):\n  File &quot;&lt;pyshell#27&gt;&quot;, line 1, in &lt;module&gt;\n    str\nNameError: name 'str' is not defined\n\n\u6ce8\u610f\uff1adel\u662f\u5220\u9664\u5f15\u7528(\u53d8\u91cf)\u800c\u4e0d\u662f\u5220\u9664\u5bf9\u8c61(\u6570\u636e)\uff0c\u5bf9\u8c61\u7531\u81ea\u52a8\u5783\u573e\u56de\u6536\u673a\u5236\uff08GC\uff09\u5220\u9664\u3002\n\n\u8865\u5145: \u5220\u9664\u5143\u7d20\u7684\u53d8\u76f8\u65b9\u6cd5\ns1=(1,2,3,4,5,6)\ns2=(2,3,5)\ns3=[]\nfor i in s1:\nif i not in s2:\n    s3.append(i)\nprint 's1-1:',s1\ns1=s3\nprint 's2:',s2\nprint 's3:',s3\nprint 's1-2:',s1<\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-87","post","type-post","status-publish","format-standard","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/posts\/87","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/comments?post=87"}],"version-history":[{"count":1,"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/posts\/87\/revisions"}],"predecessor-version":[{"id":88,"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/posts\/87\/revisions\/88"}],"wp:attachment":[{"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/media?parent=87"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/categories?post=87"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tysql.com\/index.php\/wp-json\/wp\/v2\/tags?post=87"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}