擅长:python、mysql、java
<p>我想</p>
<pre><code>{k:v for k,v in the_list}
</code></pre>
<p>比dict(the\ u list)好,因为它不调用函数。因此,性能明智的理解获胜</p>
<p>参见测试:<a href="https://doughellmann.com/blog/2012/11/12/the-performance-impact-of-using-dict-instead-of-in-cpython-2-7-2/" rel="nofollow noreferrer">https://doughellmann.com/blog/2012/11/12/the-performance-impact-of-using-dict-instead-of-in-cpython-2-7-2/</a></p>
<p>以及:
<a href="https://medium.com/@jodylecompte/dict-vs-in-python-whats-the-big-deal-anyway-73e251df8398" rel="nofollow noreferrer">https://medium.com/@jodylecompte/dict-vs-in-python-whats-the-big-deal-anyway-73e251df8398</a></p>