擅长:python、mysql、java
<p>将<code>issubset</code>与<code>set</code>一起使用:</p>
<pre><code>df = df[df.colB.map(lambda x: set(x).issubset(valid_list))]
</code></pre>
<hr/>
<pre><code>df = df[df.colB.map(lambda x: set(x) <= set(valid_list))]
</code></pre>
<hr/>
<pre><code>print (df)
colA colB
1 ID2 [A]
2 ID3 [B]
3 ID4 [A, B]
</code></pre>