擅长:python、mysql、java
<p>我们用<code>str.split</code>做<code>join</code></p>
<pre><code>df=df.join(df.EmailAdd.str.split('@',expand=True))
Out[138]:
EmailAdd Subject 0 1
0 pamelasilvera@gmail.com Report submission pamelasilvera gmail.com
1 indiejesse.d@gmail.com Meeting update indiejesse.d gmail.com
</code></pre>