擅长:python、mysql、java
<p>您可以传递<code>expand=True</code>并从str创建新列,而不必创建新的df:</p>
<pre><code>In [353]:
df[['Name','e-mail']] = df['From'].str.rsplit(' ',1, expand=True)
df
Out[353]:
From Name \
0 Grey Caulfu <grey.caulfu@ymail.com> Grey Caulfu
1 Deren Torculas <deren.e.torcs87@gmail.com> Deren Torculas
2 Charlto Youna <youna.charlto4@yahoo.com> Charlto Youna
e-mail
0 <grey.caulfu@ymail.com>
1 <deren.e.torcs87@gmail.com>
2 <youna.charlto4@yahoo.com>
</code></pre>