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<!DOCTYPE html><html lang="zh-CN" data-theme="light"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"><title>Python基础语法（十）数据序列——公共操作 | BEIDAO.</title><meta name="keywords" content="Python语法"><meta name="author" content="Beidaos"><meta name="copyright" content="Beidaos"><meta name="format-detection" content="telephone=no"><meta name="theme-color" content="#C6B3B1"><meta name="mobile-web-app-capable" content="yes"><meta name="apple-touch-fullscreen" content="yes"><meta name="apple-mobile-web-app-title" content="Python基础语法（十）数据序列——公共操作"><meta name="application-name" content="Python基础语法（十）数据序列——公共操作"><meta name="apple-mobile-web-app-capable" content="yes"><meta name="apple-mobile-web-app-status-bar-style" content="default"><link rel="bookmark" href="/img/siteicon/apple-touch-icon.png"><link rel="apple-touch-icon-precomposed" sizes="180x180" href="/img/siteicon/apple-touch-icon.png"><link rel="apple-touch-icon" sizes="192x192" href="/img/siteicon/apple-touch-icon.png"><link rel="apple-touch-icon" sizes="512x512" href="/img/siteicon/apple-touch-icon.png"><link rel="apple-touch-startup-image" media="screen and (device-width:320px) and (device-height:568px) and (-webkit-device-pixel-ratio:2) and (orientation:landscape)" href="/img/siteicon/splashIcons/icon_1136x640.png"><link rel="apple-touch-startup-image" media="screen and (device-width:320px) and (device-height:568px) and (-webkit-device-pixel-ratio:2) and (orientation:portrait)" href="/img/siteicon/splashIcons/icon_640x1136.png"><link rel="apple-touch-startup-image" media="screen and (device-width:414px) and (device-height:896px) and (-webkit-device-pixel-ratio:3) and (orientation:landscape)" href="/img/siteicon/splashIcons/icon_2688x1242.png"><link rel="apple-touch-startup-image" media="screen and (device-width:414px) and (device-height:896px) and (-webkit-device-pixel-ratio:2) and (orientation:landscape)" href="/img/siteicon/splashIcons/icon_1792x828.png"><link rel="apple-touch-startup-image" media="screen and (device-width:375px) and (device-height:812px) and (-webkit-device-pixel-ratio:3) and (orientation:portrait)" href="/img/siteicon/splashIcons/icon_1125x2436.png"><link rel="apple-touch-startup-image" media="screen and (device-width:414px) and (device-height:896px) and (-webkit-device-pixel-ratio:2) and (orientation:portrait)" href="/img/siteicon/splashIcons/icon_828x1792.png"><link rel="apple-touch-startup-image" media="screen and (device-width:375px) and (device-height:812px) and (-webkit-device-pixel-ratio:3) and (orientation:landscape)" href="/img/siteicon/splashIcons/icon_2436x1125.png"><link rel="apple-touch-startup-image" media="screen and (device-width:414px) and (device-height:736px) and (-webkit-device-pixel-ratio:3) and (orientation:portrait)" href="/img/siteicon/splashIcons/icon_1242x2208.png"><link rel="apple-touch-startup-image" media="screen and (device-width:414px) and (device-height:736px) and (-webkit-device-pixel-ratio:3) and (orientation:landscape)" href="/img/siteicon/splashIcons/icon_2208x1242.png"><link rel="apple-touch-startup-image" media="screen and (device-width:375px) and (device-height:667px) and (-webkit-device-pixel-ratio:2) and (orientation:landscape)" href="/img/siteicon/splashIcons/icon_1334x750.png"><link rel="apple-touch-startup-image" media="screen and (device-width:375px) and (device-height:667px) and (-webkit-device-pixel-ratio:2) and (orientation:portrait)" href="/img/siteicon/splashIcons/icon_750x1334.png"><link rel="apple-touch-startup-image" media="screen and (device-width:1024px) and (device-height:1366px) and (-webkit-device-pixel-ratio:2) and (orientation:landscape)" href="/img/siteicon/splashIcons/icon_2732x2048.png"><meta name="description" content="目标 运算符 公共方法 容器类型转换 运算符 运算符 描述 支持的容器类型 + 合并 字符串、列表、元组 * 复制 字符串、列表、元组 in 元素是否存在 字符串、列表、元组、字典 not in 元素是否不存在 字符串、列表、元组、字典 + 合并 # 1. 字符串 str1 = &#x27;aa&#x27;str2 = &#x27;bb&#x27;str3 =">
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title="作者IP属地为北京"><i class="anzhiyufont anzhiyu-icon-location-dot"></i>北京</span></div></div></div><section class="main-hero-waves-area waves-area"><svg class="waves-svg" xmlns="http://www.w3.org/2000/svg" xlink="http://www.w3.org/1999/xlink" viewBox="0 24 150 28" preserveAspectRatio="none" shape-rendering="auto"><defs><path id="gentle-wave" d="M -160 44 c 30 0 58 -18 88 -18 s 58 18 88 18 s 58 -18 88 -18 s 58 18 88 18 v 44 h -352 Z"></path></defs><g class="parallax"><use href="#gentle-wave" x="48" y="0"></use><use href="#gentle-wave" x="48" y="3"></use><use href="#gentle-wave" x="48" y="5"></use><use href="#gentle-wave" x="48" y="7"></use></g></svg></section><div id="post-top-cover"><img class="nolazyload" id="post-top-bg" src="https://cdn.statically.io/gh/AnZhiJJ/Blog_Img@main/博客站点配图/python-logo.6puefdh4wtk0.png"></div></header><main class="layout" id="content-inner"><div id="post"><article class="post-content" id="article-container"><h1 id="目标">目标</h1>
<ul class="lvl-0">
<li class="lvl-2">运算符</li>
<li class="lvl-2">公共方法</li>
<li class="lvl-2">容器类型转换</li>
</ul>
<h1 id="运算符">运算符</h1>
<table>
<thead>
<tr>
<th style="text-align:center">运算符</th>
<th style="text-align:center">描述</th>
<th style="text-align:center">支持的容器类型</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center">+</td>
<td style="text-align:center">合并</td>
<td style="text-align:center">字符串、列表、元组</td>
</tr>
<tr>
<td style="text-align:center">*</td>
<td style="text-align:center">复制</td>
<td style="text-align:center">字符串、列表、元组</td>
</tr>
<tr>
<td style="text-align:center">in</td>
<td style="text-align:center">元素是否存在</td>
<td style="text-align:center">字符串、列表、元组、<mark>字典</mark></td>
</tr>
<tr>
<td style="text-align:center">not in</td>
<td style="text-align:center">元素是否不存在</td>
<td style="text-align:center">字符串、列表、元组、<mark>字典</mark></td>
</tr>
</tbody>
</table>
<h2 id="合并">+ 合并</h2>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 1. 字符串 </span></span><br><span class="line">str1 = <span class="string">'aa'</span></span><br><span class="line">str2 = <span class="string">'bb'</span></span><br><span class="line">str3 = str1 + str2</span><br><span class="line"><span class="built_in">print</span>(str3) <span class="comment"># aabb</span></span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="comment"># 2. 列表 </span></span><br><span class="line">list1 = [<span class="number">1</span>, <span class="number">2</span>]</span><br><span class="line">list2 = [<span class="number">10</span>, <span class="number">20</span>]</span><br><span class="line">list3 = list1 + list2</span><br><span class="line"><span class="built_in">print</span>(list3) <span class="comment"># [1, 2, 10, 20]</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 3. 元组 </span></span><br><span class="line">t1 = (<span class="number">1</span>, <span class="number">2</span>)</span><br><span class="line">t2 = (<span class="number">10</span>, <span class="number">20</span>)</span><br><span class="line">t3 = t1 + t2</span><br><span class="line"><span class="built_in">print</span>(t3) <span class="comment"># (10, 20, 100, 200)</span></span><br></pre></td></tr></table></figure>
<h2 id="复制">* 复制</h2>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 1. 字符串</span></span><br><span class="line"><span class="built_in">print</span>(<span class="string">'-'</span> * <span class="number">10</span>) <span class="comment"># ----------</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 2. 列表</span></span><br><span class="line">list1 = [<span class="string">'hello'</span>]</span><br><span class="line"><span class="built_in">print</span>(list1 * <span class="number">4</span>) <span class="comment"># ['hello', 'hello', 'hello', 'hello']</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 3. 元组</span></span><br><span class="line">t1 = (<span class="string">'world'</span>,)</span><br><span class="line"><span class="built_in">print</span>(t1 * <span class="number">4</span>) <span class="comment"># ('world', 'world', 'world', 'world')</span></span><br></pre></td></tr></table></figure>
<h2 id="in或not-in">in或not in</h2>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 1. 字符串</span></span><br><span class="line"><span class="built_in">print</span>(<span class="string">'a'</span> <span class="keyword">in</span> <span class="string">'abcd'</span>) <span class="comment"># True</span></span><br><span class="line"><span class="built_in">print</span>(<span class="string">'a'</span> <span class="keyword">not</span> <span class="keyword">in</span> <span class="string">'abcd'</span>) <span class="comment"># False</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 2. 列表</span></span><br><span class="line">list1 = [<span class="string">'a'</span>, <span class="string">'b'</span>, <span class="string">'c'</span>, <span class="string">'d'</span>]</span><br><span class="line"><span class="built_in">print</span>(<span class="string">'a'</span> <span class="keyword">in</span> list1) <span class="comment"># True</span></span><br><span class="line"><span class="built_in">print</span>(<span class="string">'a'</span> <span class="keyword">not</span> <span class="keyword">in</span> list1) <span class="comment"># False</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 3. 元组</span></span><br><span class="line">t1 = (<span class="string">'a'</span>, <span class="string">'b'</span>, <span class="string">'c'</span>, <span class="string">'d'</span>)</span><br><span class="line"><span class="built_in">print</span>(<span class="string">'aa'</span> <span class="keyword">in</span> t1) <span class="comment"># False</span></span><br><span class="line"><span class="built_in">print</span>(<span class="string">'aa'</span> <span class="keyword">not</span> <span class="keyword">in</span> t1) <span class="comment"># True</span></span><br></pre></td></tr></table></figure>
<h1 id="公共方法">公共方法</h1>
<table>
<thead>
<tr>
<th>函数</th>
<th>描述</th>
</tr>
</thead>
<tbody>
<tr>
<td>len()</td>
<td>计算容器中元素个数</td>
</tr>
<tr>
<td>del 或 del()</td>
<td>删除</td>
</tr>
<tr>
<td>max()</td>
<td>返回容器中元素最大值</td>
</tr>
<tr>
<td>min()</td>
<td>返回容器中元素最小值</td>
</tr>
<tr>
<td>range(start, end, step)</td>
<td>生成从start到end的数字，步长为 step(不写，默认为1），供for循环使用</br>start可以不写，默认从0开始；但end必须要写；<mark>范围是左闭右开型</mark></td>
</tr>
<tr>
<td>enumerate()</td>
<td>函数用于将一个可遍历的数据对象(如列表、元组或字符串)组合为一个索引序列，同时列出数据和数据下标，一般用在 for 循环当中。</td>
</tr>
</tbody>
</table>
<h2 id="len">len()</h2>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 1. 字符串</span></span><br><span class="line">str1 = <span class="string">'abcdefg'</span></span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">len</span>(str1)) <span class="comment"># 7</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 2. 列表</span></span><br><span class="line">list1 = [<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>, <span class="number">40</span>]</span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">len</span>(list1)) <span class="comment"># 4</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 3. 元组</span></span><br><span class="line">t1 = (<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>, <span class="number">40</span>, <span class="number">50</span>)</span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">len</span>(t1)) <span class="comment"># 5</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 4. 集合</span></span><br><span class="line">s1 = {<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>}</span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">len</span>(s1)) <span class="comment"># 3</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 5. 字典</span></span><br><span class="line">dict1 = {<span class="string">'name'</span>: <span class="string">'Rose'</span>, <span class="string">'age'</span>: <span class="number">18</span>}</span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">len</span>(dict1)) <span class="comment"># 2</span></span><br></pre></td></tr></table></figure>
<h2 id="del">del()</h2>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 1. 字符串</span></span><br><span class="line">str1 = <span class="string">'abcdefg'</span></span><br><span class="line"><span class="keyword">del</span> str1</span><br><span class="line"><span class="built_in">print</span>(str1)</span><br><span class="line"></span><br><span class="line"><span class="comment"># 2. 列表</span></span><br><span class="line">list1 = [<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>, <span class="number">40</span>]</span><br><span class="line"><span class="keyword">del</span>(list1[<span class="number">0</span>])</span><br><span class="line"><span class="built_in">print</span>(list1) <span class="comment"># [20, 30, 40]</span></span><br></pre></td></tr></table></figure>
<h2 id="max">max()</h2>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 1. 字符串</span></span><br><span class="line">str1 = <span class="string">'abcdefg'</span></span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">max</span>(str1)) <span class="comment"># g</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 2. 列表</span></span><br><span class="line">list1 = [<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>, <span class="number">40</span>]</span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">max</span>(list1)) <span class="comment"># 40</span></span><br></pre></td></tr></table></figure>
<h2 id="min">min()</h2>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 1. 字符串</span></span><br><span class="line">str1 = <span class="string">'abcdefg'</span></span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">min</span>(str1)) <span class="comment"># a</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 2. 列表</span></span><br><span class="line">list1 = [<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>, <span class="number">40</span>]</span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">min</span>(list1)) <span class="comment"># 10</span></span><br></pre></td></tr></table></figure>
<h2 id="range">range()</h2>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line"><span class="comment"># 1 2 3 4 5 6 7 8 9</span></span><br><span class="line"><span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(<span class="number">1</span>, <span class="number">10</span>, <span class="number">1</span>):</span><br><span class="line"> <span class="built_in">print</span>(i)</span><br><span class="line"></span><br><span class="line"><span class="comment"># 1 3 5 7 9</span></span><br><span class="line"><span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(<span class="number">1</span>, <span class="number">10</span>, <span class="number">2</span>):</span><br><span class="line"> <span class="built_in">print</span>(i)</span><br><span class="line"></span><br><span class="line"><span class="comment"># 0 1 2 3 4 5 6 7 8 9</span></span><br><span class="line"><span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(<span class="number">10</span>):</span><br><span class="line"> <span class="built_in">print</span>(i)</span><br></pre></td></tr></table></figure>
<blockquote>
<p>注意：range()生成的序列不包含end数字。start不写默认从0开始。</p>
</blockquote>
<h2 id="enumerate">enumerate()</h2>
<ul class="lvl-0">
<li class="lvl-2">
<p>语法</p>
</li>
</ul>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line"><span class="built_in">enumerate</span>(可遍历对象, start=<span class="number">0</span>)</span><br></pre></td></tr></table></figure>
<blockquote>
<p>注意：start参数用来设置遍历数据的下标的起始值，默认为0。</p>
</blockquote>
<ul class="lvl-0">
<li class="lvl-2">
<p>快速体验</p>
</li>
</ul>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line">list1 = [<span class="string">'a'</span>, <span class="string">'b'</span>, <span class="string">'c'</span>, <span class="string">'d'</span>, <span class="string">'e'</span>]</span><br><span class="line"></span><br><span class="line"><span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">enumerate</span>(list1):</span><br><span class="line"> <span class="built_in">print</span>(i)</span><br><span class="line"><span class="comment"># enumerate 返回结果是元组，元组第一个数据是原迭代对象的数据对应的下标，元组第二个数据是原迭代对象的数据</span></span><br><span class="line"><span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">enumerate</span>(list1, start=<span class="number">1</span>):</span><br><span class="line"> <span class="built_in">print</span>(i)</span><br><span class="line"><span class="keyword">for</span> index, char <span class="keyword">in</span> <span class="built_in">enumerate</span>(list1, start=<span class="number">1</span>):</span><br><span class="line"> <span class="built_in">print</span>(<span class="string">f'下标是<span class="subst">{index}</span>, 对应的字符是<span class="subst">{char}</span>'</span>)</span><br></pre></td></tr></table></figure>
<img src= "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-lazy-src="https://cdn.statically.io/gh/AnZhiJJ/Blog_Img@Python/pythonStudy_img/image-20230524223816932.png" alt="image-20230524223816932" style="zoom: 67%;" />
<blockquote>
<p><mark>enumerate 返回结果是元组，元组第一个数据是原迭代对象的数据对应的下标，元组第二个数据是原迭代对象的数据</mark></p>
</blockquote>
<h1 id="容器类型转换">容器类型转换</h1>
<h2 id="tuple-–元组">tuple()–元组</h2>
<p>作用：将某个序列转换成元组</p>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line">list1 = [<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>, <span class="number">40</span>, <span class="number">50</span>, <span class="number">20</span>]</span><br><span class="line">s1 = {<span class="number">100</span>, <span class="number">200</span>, <span class="number">300</span>, <span class="number">400</span>, <span class="number">500</span>}</span><br><span class="line"></span><br><span class="line"><span class="comment"># tuple()--转换成元组</span></span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">tuple</span>(list1))</span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">tuple</span>(s1))</span><br></pre></td></tr></table></figure>
<h2 id="list-–列表">list()–列表</h2>
<p>作用：将某个序列转换成列表</p>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line">t1 = (<span class="string">'a'</span>, <span class="string">'b'</span>, <span class="string">'c'</span>, <span class="string">'d'</span>, <span class="string">'e'</span>)</span><br><span class="line">s1 = {<span class="number">100</span>, <span class="number">200</span>, <span class="number">300</span>, <span class="number">400</span>, <span class="number">500</span>}</span><br><span class="line"></span><br><span class="line"><span class="comment"># list()--转换成列表</span></span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">list</span>(s1))</span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">list</span>(t1))</span><br></pre></td></tr></table></figure>
<h2 id="set-–集合">set()–集合</h2>
<p>作用：将某个序列转换成集合</p>
<figure class="highlight python"><table><tr><td class="code"><pre><span class="line">list1 = [<span class="number">10</span>, <span class="number">20</span>, <span class="number">30</span>, <span class="number">40</span>, <span class="number">50</span>, <span class="number">20</span>]</span><br><span class="line">t1 = (<span class="string">'a'</span>, <span class="string">'b'</span>, <span class="string">'c'</span>, <span class="string">'d'</span>, <span class="string">'e'</span>)</span><br><span class="line"></span><br><span class="line"><span class="comment"># set()--转换成集合</span></span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">set</span>(list1)) <span class="comment"># {40, 10, 50, 20, 30}</span></span><br><span class="line"><span class="built_in">print</span>(<span class="built_in">set</span>(t1)) <span class="comment"># {'e', 'c', 'b', 'd', 'a'}</span></span><br></pre></td></tr></table></figure>
<blockquote>
<p>注意：<br>
1. 集合可以快速完成列表去重<br>
2. 集合不支持下标</p>
</blockquote>
<h1 id="总结">总结</h1>
<ul class="lvl-0">
<li class="lvl-2">
<p>运算符</p>
<ul class="lvl-2">
<li class="lvl-4">
<ul class="lvl-4">
<li class="lvl-6">
</li>
</ul>
</li>
<li class="lvl-4">in / not in</li>
</ul>
</li>
<li class="lvl-2">
<p>公共方法</p>
<ul class="lvl-2">
<li class="lvl-4">len()</li>
<li class="lvl-4">del()</li>
<li class="lvl-4">range()</li>
<li class="lvl-4">enumerate()</li>
</ul>
</li>
<li class="lvl-2">
<p>数据类型转换</p>
<ul class="lvl-2">
<li class="lvl-4">tuple()</li>
<li class="lvl-4">list()</li>
<li class="lvl-4">set()</li>
</ul>
</li>
</ul>
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class="toc"><li class="toc-item toc-level-1"><a class="toc-link" href="#%E7%9B%AE%E6%A0%87"><span class="toc-text">目标</span></a></li><li class="toc-item toc-level-1"><a class="toc-link" href="#%E8%BF%90%E7%AE%97%E7%AC%A6"><span class="toc-text">运算符</span></a><ol class="toc-child"><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%90%88%E5%B9%B6"><span class="toc-text">+ 合并</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%A4%8D%E5%88%B6"><span class="toc-text">* 复制</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#in%E6%88%96not-in"><span class="toc-text">in或not in</span></a></li></ol></li><li class="toc-item toc-level-1"><a class="toc-link" href="#%E5%85%AC%E5%85%B1%E6%96%B9%E6%B3%95"><span class="toc-text">公共方法</span></a><ol class="toc-child"><li class="toc-item toc-level-2"><a class="toc-link" href="#len"><span class="toc-text">len()</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#del"><span class="toc-text">del()</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#max"><span class="toc-text">max()</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#min"><span class="toc-text">min()</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#range"><span class="toc-text">range()</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#enumerate"><span class="toc-text">enumerate()</span></a></li></ol></li><li class="toc-item toc-level-1"><a class="toc-link" href="#%E5%AE%B9%E5%99%A8%E7%B1%BB%E5%9E%8B%E8%BD%AC%E6%8D%A2"><span class="toc-text">容器类型转换</span></a><ol class="toc-child"><li class="toc-item toc-level-2"><a class="toc-link" href="#tuple-%E2%80%93%E5%85%83%E7%BB%84"><span class="toc-text">tuple()–元组</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#list-%E2%80%93%E5%88%97%E8%A1%A8"><span class="toc-text">list()–列表</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#set-%E2%80%93%E9%9B%86%E5%90%88"><span class="toc-text">set()–集合</span></a></li></ol></li><li class="toc-item toc-level-1"><a class="toc-link" href="#%E6%80%BB%E7%BB%93"><span class="toc-text">总结</span></a></li></ol></div></div><div class="card-widget card-recent-post"><div class="item-headline"><i class="anzhiyufont anzhiyu-icon-history"></i><span>最新文章</span></div><div class="aside-list"><div class="aside-list-item"><a class="thumbnail" href="" title="卷积神经网络-CNN"><img src= "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-lazy-src="https://cdn.statically.io/gh/AnZhiJJ/Blog_Img@Science+/read_paper/1.kupf912yxi8.webp" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="卷积神经网络-CNN"/></a><div class="content"><a class="title" href="" title="卷积神经网络-CNN">卷积神经网络-CNN</a><time datetime="2023-07-26T00:00:00.000Z" title="发表于 2023-07-26 08:00:00">2023-07-26</time></div></div><div 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function getCommentReplies(item) {
if (item.replies) {
let replies = [item];
item.replies.forEach(item => {
replies.push(...getCommentReplies(item));
});
return replies;
} else {
return [];
}
}
function popCommentBarrage(data) {
let barrage = document.createElement("div");
barrage.className = "comment-barrage-item";
barrage.innerHTML = `
<div class="barrageHead">
<a class="barrageTitle ${
data.mailMd5 === "d338f432ad0bf2f61e5fe4ad1642725d" ? "barrageBloggerTitle" : ""
}" href="javascript:anzhiyu.scrollTo('#post-comment')"">
${data.mailMd5 === "d338f432ad0bf2f61e5fe4ad1642725d" ? "博主" : "热评"}
</a>
<div class="barrageNick">${data.nick}</div>
<img class="nolazyload barrageAvatar" src="https://cravatar.cn/avatar/${data.mailMd5}"/>
<a class="comment-barrage-close" href="javascript:anzhiyu.switchCommentBarrage()" rel="external nofollow noreferrer"><i class="anzhiyufont anzhiyu-icon-xmark"></i></a>
</div>
<a class="barrageContent" href="#${data.id}">
<object>${data.comment}</object>
</a>
`;
commentBarrageConfig.barrageTimer.push(barrage);
commentBarrageConfig.dom.append(barrage);
}
function removeCommentBarrage(barrage) {
barrage.className = "comment-barrage-item out";
setTimeout(() => {
if (commentBarrageConfig.dom && commentBarrageConfig.dom.contains(barrage)) {
commentBarrageConfig.dom.removeChild(barrage);
}
}, 1000);
}
// 自动隐藏
const commentEntryCallback = (entries) => {
const commentBarrage = document.querySelector(".comment-barrage");
const postComment = document.getElementById("post-comment");
entries.forEach(entry => {
if (postComment && commentBarrage && document.body.clientWidth > 768) {
commentBarrage.style.bottom = entry.isIntersecting ? "-200px" : "0";
}
});
};
// 创建IntersectionObserver实例
const observer = new IntersectionObserver(commentEntryCallback, {
root: null,
rootMargin: "0px",
threshold: 0
});
// 监视目标元素
const postCommentTarget = document.getElementById("post-comment");
if (postCommentTarget) {
observer.observe(postCommentTarget);
}
initCommentBarrage();
if (localStorage.getItem("commentBarrageSwitch") !== "false") {
document.querySelector(".comment-barrage").style.display = "flex";
document.querySelector(".menu-commentBarrage-text").textContent = "关闭热评";
} else {
document.querySelector(".comment-barrage").style.display = "none";
document.querySelector(".menu-commentBarrage-text").textContent = "显示热评";
}
document.addEventListener("pjax:send", function () {
clearInterval(commentInterval);
});
}</script><script data-pjax src="https://npm.elemecdn.com/[email protected]/catalog-bar/catalog-bar.js"></script><script async data-pjax src="https://npm.elemecdn.com/[email protected]/categoryBar/categoryBar.js"></script><script async data-pjax src="https://npm.elemecdn.com/[email protected]/waterfall/waterfall.js"></script><script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/qrcodejs/1.0.0/qrcode.min.js"></script><script>// 初始化函数
let rm = {};
//禁止图片拖拽
let imgElements = document.getElementsByTagName("img");
for (let i = 0; i < imgElements.length; i++) {
imgElements[i].addEventListener("dragstart", function (event) {
event.preventDefault();
});
}
// 显示菜单
rm.showRightMenu = function (isTrue, x = 0, y = 0) {
console.info(x, y)
let rightMenu = document.getElementById("rightMenu");
rightMenu.style.top = x + "px";
rightMenu.style.left = y + "px";
if (isTrue) {
rightMenu.style.display = "block";
stopMaskScroll();
} else {
rightMenu.style.display = "none";
}
};
// 隐藏菜单
rm.hideRightMenu = function () {
rm.showRightMenu(false);
let rightMenuMask = document.querySelector("#rightmenu-mask");
rightMenuMask.style.display = "none";
};
// 尺寸
let rmWidth = document.getElementById("rightMenu").offsetWidth;
let rmHeight = document.getElementById("rightMenu").offsetHeight;
// 重新定义尺寸
rm.reloadrmSize = function () {
rightMenu.style.visibility = "hidden";
rightMenu.style.display = "block";
// 获取宽度和高度
rmWidth = document.getElementById("rightMenu").offsetWidth;
rmHeight = document.getElementById("rightMenu").offsetHeight;
rightMenu.style.visibility = "visible";
};
// 获取点击的href
let domhref = "";
let domImgSrc = "";
let globalEvent = null;
var oncontextmenuFunction = function (event) {
if (document.body.clientWidth > 768) {
let pageX = event.clientX + 10; //加10是为了防止显示时鼠标遮在菜单上
let pageY = event.clientY;
//其他额外菜单
const $rightMenuOther = document.querySelector(".rightMenuOther");
const $rightMenuPlugin = document.querySelector(".rightMenuPlugin");
const $rightMenuCopyText = document.querySelector("#menu-copytext");
const $rightMenuPasteText = document.querySelector("#menu-pastetext");
const $rightMenuCommentText = document.querySelector("#menu-commenttext");
const $rightMenuNewWindow = document.querySelector("#menu-newwindow");
const $rightMenuNewWindowImg = document.querySelector("#menu-newwindowimg");
const $rightMenuCopyLink = document.querySelector("#menu-copylink");
const $rightMenuCopyImg = document.querySelector("#menu-copyimg");
const $rightMenuDownloadImg = document.querySelector("#menu-downloadimg");
const $rightMenuSearch = document.querySelector("#menu-search");
const $rightMenuSearchBaidu = document.querySelector("#menu-searchBaidu");
const $rightMenuMusicToggle = document.querySelector("#menu-music-toggle");
const $rightMenuMusicBack = document.querySelector("#menu-music-back");
const $rightMenuMusicForward = document.querySelector("#menu-music-forward");
const $rightMenuMusicPlaylist = document.querySelector("#menu-music-playlist");
const $rightMenuMusicCopyMusicName = document.querySelector("#menu-music-copyMusicName");
let href = event.target.href;
let imgsrc = event.target.currentSrc;
// 判断模式 扩展模式为有事件
let pluginMode = false;
$rightMenuOther.style.display = "block";
globalEvent = event;
// 检查是否需要复制 是否有选中文本
if (selectTextNow && window.getSelection()) {
pluginMode = true;
$rightMenuCopyText.style.display = "block";
$rightMenuCommentText.style.display = "block";
$rightMenuSearch.style.display = "block";
$rightMenuSearchBaidu.style.display = "block";
} else {
$rightMenuCopyText.style.display = "none";
$rightMenuCommentText.style.display = "none";
$rightMenuSearchBaidu.style.display = "none";
$rightMenuSearch.style.display = "none";
}
//检查是否右键点击了链接a标签
if (href) {
pluginMode = true;
$rightMenuNewWindow.style.display = "block";
$rightMenuCopyLink.style.display = "block";
domhref = href;
} else {
$rightMenuNewWindow.style.display = "none";
$rightMenuCopyLink.style.display = "none";
}
//检查是否需要复制图片
if (imgsrc) {
pluginMode = true;
$rightMenuCopyImg.style.display = "block";
$rightMenuDownloadImg.style.display = "block";
$rightMenuNewWindowImg.style.display = "block";
document.getElementById("rightMenu").style.width="12rem"
domImgSrc = imgsrc;
} else {
$rightMenuCopyImg.style.display = "none";
$rightMenuDownloadImg.style.display = "none";
$rightMenuNewWindowImg.style.display = "none";
}
// 判断是否为输入框
if (event.target.tagName.toLowerCase() === "input" || event.target.tagName.toLowerCase() === "textarea") {
pluginMode = true;
$rightMenuPasteText.style.display = "block";
} else {
$rightMenuPasteText.style.display = "none";
}
const navMusicEl = document.querySelector("#nav-music");
//判断是否是音乐
if (navMusicEl && navMusicEl.contains(event.target)) {
pluginMode = true;
$rightMenuMusicToggle.style.display = "block";
$rightMenuMusicBack.style.display = "block";
$rightMenuMusicForward.style.display = "block";
$rightMenuMusicPlaylist.style.display = "block";
$rightMenuMusicCopyMusicName.style.display = "block";
} else {
$rightMenuMusicToggle.style.display = "none";
$rightMenuMusicBack.style.display = "none";
$rightMenuMusicForward.style.display = "none";
$rightMenuMusicPlaylist.style.display = "none";
$rightMenuMusicCopyMusicName.style.display = "none";
}
// 如果不是扩展模式则隐藏扩展模块
if (pluginMode) {
$rightMenuOther.style.display = "none";
$rightMenuPlugin.style.display = "block";
} else {
$rightMenuPlugin.style.display = "none";
}
rm.reloadrmSize();
// 鼠标默认显示在鼠标右下方，当鼠标靠右或靠下时，将菜单显示在鼠标左方\上方
if (pageX + rmWidth > window.innerWidth) {
pageX -= rmWidth + 10;
}
if (pageY + rmHeight > window.innerHeight) {
pageY -= pageY + rmHeight - window.innerHeight;
}
rm.showRightMenu(true, pageY, pageX);
document.getElementById("rightmenu-mask").style.display = "flex";
return false;
}
};