擅长:python、mysql、java
<p>您可以使用<code>itertools.groupby</code>,因为已经对这些值进行了排序。数据如下:</p>
<pre><code>>>> lot
[(0.10507038451969995, 'Deadly stampede in Shanghai - Emergency personnel help victims.'),
(0.07858638182141627, 'Deadly stampede in Shanghai - Police and medical staff help injured people after the stampede.'),
(0.07203144664739966, '- Emergency personnel help victims.'),
(0.07203144664739966, 'Emergency personnel help victims.')]
</code></pre>
<p>演示:</p>
^{pr2}$
<p>这将为您提供分组在一起的第一个值。在</p>