擅长:python、mysql、java
<p>仅选择最后一个元素为“1”的句子:</p>
<pre><code>sentences = [line.split('\t') for line in lines if line.split('\t')[-1] == '1']
</code></pre>
<p>对于随机选择,这可以帮助您前进:<em><a href="https://pynative.com/python-random-choice/" rel="nofollow noreferrer">Python random.choice() function to select random item from a List and Set</a></em></p>