擅长:python、mysql、java
<p>可以通过先删除第一个索引级别,然后使用<a href="https://pandas.pydata.org/pandas-docs/stable/generated/pandas.Index.isin.html" rel="nofollow noreferrer">^{<cd1>}</a>和元组列表来构造布尔掩码:</p>
<pre><code>df_masked = df[df.index.droplevel(0).isin([('foo', 'one'), ('bar', 'two')])]
print(df_masked)
0
1 foo one 1.510316
bar two 0.260862
2 foo one 0.813745
bar two 0.023386
</code></pre>