擅长:python、mysql、java
<p>我们可以试试<code>assign</code></p>
<pre><code>line = df['lacheck'].astype(str) + '-' + df['taxrate#1']
cols = df.filter(like='description')
df.assign(**dict.fromkeys(cols, line))
</code></pre>
<hr/>
<pre><code> description#1 description#2 lacheck taxrate#1
0 5-Res 5-Res 5 Res
1 67-Rofus 67-Rofus 67 Rofus
12 55-Rennie 55-Rennie 55 Rennie
</code></pre>