擅长:python、mysql、java
<p>您可以使用<a href="https://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.isin.html" rel="noreferrer">^{<cd1>}</a>。</p>
<p>用于“IN”用法:<code>something.isin(somewhere)</code></p>
<p>或“不在”:<code>~something.isin(somewhere)</code></p>
<p>例如:</p>
<pre><code>>>> df
countries
0 US
1 UK
2 Germany
3 China
>>> countries
['UK', 'China']
>>> df.countries.isin(countries)
0 False
1 True
2 False
3 True
Name: countries, dtype: bool
>>> df[df.countries.isin(countries)]
countries
1 UK
3 China
>>> df[~df.countries.isin(countries)]
countries
0 US
2 Germany
</code></pre>