https://zhangdapeng.dev/tags/lambda/Recent content in Lambda on Dapeng ZhangHugo -- gohugo.ioen-usWed, 30 Jul 2025 11:43:32 +0800https://zhangdapeng.dev/p/python-xiao-ji-qiao-lambda-han-shu/Wed, 30 Jul 2025 11:43:32 +0800https://zhangdapeng.dev/p/python-xiao-ji-qiao-lambda-han-shu/<img src="https://res.cloudinary.com/dy5dvcuc1/image/upload/v1565854753/walkerfree/python.jpg" alt="Featured image of post Python小技巧 - Lambda函数" /><p>Lambda函数</p> <p>lambda创建函数</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-python" data-lang="python"><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>add <span style="color:#f92672">=</span> <span style="color:#66d9ef">lambda</span> x, y: x <span style="color:#f92672">+</span> y </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-python" data-lang="python"><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>print(add(<span style="color:#ae81ff">2</span>, <span style="color:#ae81ff">3</span>)) </span></span></code></pre></div><p>普通方式创建函数</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-python" data-lang="python"><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#66d9ef">def</span> <span style="color:#a6e22e">add</span>(x, y): </span></span><span style="display:flex;"><span> <span style="color:#66d9ef">return</span> x <span style="color:#f92672">+</span> y </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-python" data-lang="python"><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>print(add(<span style="color:#ae81ff">2</span>, <span style="color:#ae81ff">3</span>)) </span></span></code></pre></div><p>lambda匿名函数</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-python" data-lang="python"><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>add_res <span style="color:#f92672">=</span> (<span style="color:#66d9ef">lambda</span> x, y: x <span style="color:#f92672">+</span> y)(<span style="color:#ae81ff">2</span>, <span style="color:#ae81ff">3</span>) </span></span><span style="display:flex;"><span>print(add_res) </span></span></code></pre></div>