https://elated-raman-42e0c2.netlify.app/tags/operator/Recent content in Operator on Sawyer Zheng's BlogHugozh-cnThu, 03 Mar 2022 10:21:09 +0800https://elated-raman-42e0c2.netlify.app/post/notes/python/operators/Fri, 18 Sep 2020 00:00:00 +0000https://elated-raman-42e0c2.netlify.app/post/notes/python/operators/<div id="outline-container-headline-1" class="outline-2"> <h2 id="headline-1"> python 运算符 与 特殊函数对应关系 </h2> <div id="outline-text-headline-1" class="outline-text-2"> <div id="outline-container-headline-2" class="outline-3"> <h3 id="headline-2"> in —- $__contains__$ </h3> <div id="outline-text-headline-2" class="outline-text-3"> <p><a href="https://docs.python.org/3.6/reference/expressions.html#in">https://docs.python.org/3.6/reference/expressions.html#in</a></p> <ul> <li> <p>注意</p> <ul> <li> <p>对于 builtin.list 类型</p> <ul> <li>内部比较的好像是引用</li> </ul> </li> </ul> </li> </ul> <div class="src src-python"> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span><span class="lnt">5 </span><span class="lnt">6 </span><span class="lnt">7 </span><span class="lnt">8 </span><span class="lnt">9 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="k">class</span> <span class="nc">Hello</span><span class="p">:</span> </span></span><span class="line"><span class="cl"> <span class="k">pass</span> </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s1">&#39;__main__&#39;</span><span class="p">:</span> </span></span><span class="line"><span class="cl"> <span class="k">assert</span> <span class="p">(</span><span class="n">Hello</span><span class="p">()</span> <span class="ow">in</span> <span class="p">[</span><span class="n">Hello</span><span class="p">()])</span> <span class="ow">is</span> <span class="kc">False</span> </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"> <span class="n">t</span> <span class="o">=</span> <span class="n">Hello</span><span class="p">()</span> </span></span><span class="line"><span class="cl"> <span class="k">assert</span> <span class="p">(</span><span class="n">t</span> <span class="ow">in</span> <span class="p">[</span><span class="n">t</span><span class="p">])</span> <span class="ow">is</span> <span class="kc">True</span></span></span></code></pre></td></tr></table> </div> </div> </div> </div> </div> </div> </div>