擅长:python、mysql、java
<p>有一种非常简单的方法可以做到这一点。我最近也发现了</p>
<pre><code>df2 = df['Marriage Date(s)'].apply(pd.Series)
pd.concat([df[['Name']], df2], axis=1).rename(columns={0:'1st Marriage Date',1:'2st Marriage Date'})
Name 1st Marriage Date 2st Marriage Date
0 Tom 02-02-1958 NaN
1 Dick 08-07-1969 NaN
2 Harry 01-21-1973 07-14-1981
</code></pre>