擅长:python、mysql、java
<p>IIUC,使用<a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.groupby.html" rel="nofollow noreferrer">^{<cd1>}</a>+<a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.core.groupby.DataFrameGroupBy.filter.html" rel="nofollow noreferrer">^{<cd2>}</a></p>
<pre><code>df.groupby(['A', 'B']).filter(lambda s: s['D'].any())
</code></pre>
<hr/>
<pre><code> A B C D
3 101 2 1 False
4 101 2 2 False
5 101 2 3 False
6 101 2 4 True
10 102 2 1 False
11 102 2 2 False
12 102 2 3 True
</code></pre>