擅长:python、mysql、java
<p>您可以尝试<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.select.html" rel="nofollow">^{<cd1>}</a>:</p>
<pre><code>print df.select(lambda x: x[0] in ['column_name1','column_name2'], axis=1)
column_level1 column_name1 column_name2
column_level2 column_nameA column_nameB
0 0.1 1
1 0.2 2
2 0.3 3
</code></pre>
<p>或<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.Index.get_level_values.html" rel="nofollow">^{<cd2>}</a>和{a3}:</p>
^{pr2}$