个人觉得像 Ruby 这样的动态语言简洁得多。
<code class="python"><span class="n">a</span> <span class="o">=</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">];</span>
<span class="k">print</span><span class="p">(</span><span class="n">a</span><span class="p">[</span><span class="s">'1'</span><span class="p">]);</span>
<span class="n">b</span> <span class="o">=</span> <span class="p">{</span><span class="mi">0</span><span class="p">:</span><span class="mi">1</span><span class="p">,</span> <span class="s">'a'</span><span class="p">:</span><span class="mi">2</span><span class="p">};</span>
<span class="k">print</span><span class="p">(</span><span class="n">a</span><span class="p">[</span><span class="s">'0'</span><span class="p">]);</span>
</code>
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