擅长:python、mysql、java
<p>您可以将<a href="https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html" rel="nofollow noreferrer">Boolean Indexing</a>与<a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.str.startswith.html" rel="nofollow noreferrer">str.startswith</a>一起使用。你知道吗</p>
<p>这也会处理“id”列中的空值</p>
<pre><code>df[df['id'].str.startswith('5', na=False)]
</code></pre>