擅长:python、mysql、java
<p>修改数据帧的东西(没有regex或任何东西):</p>
<pre><code>l=['Contract','Temporary']
df['TYPE']=df['TYPE'].apply(lambda x: ' '.join(['_'+i.upper()+'_' if i in l else i for i in x.split()]))
</code></pre>
<p><code>join</code>和<code>split</code>,在<code>apply</code>中。你知道吗</p>
<p>然后现在:</p>
<pre><code>print(df)
</code></pre>
<p>是:</p>
<pre><code> TYPE NAME
0 _CONTRACT_ Employee John
1 Full Time Employee Carol
2 _TEMPORARY_ Employee Kyle
</code></pre>