擅长:python、mysql、java
<p>你可以这样做。首先,定义一个与“标准化”文本匹配的查找函数,例如小写:</p>
<pre><code>def lookup(x, values):
for value in values:
if value.lower() in x.lower():
return value
</code></pre>
<p>然后将此函数应用于DF2:</p>
^{pr2}$
<p>这会给你:</p>
<pre><code> B A
0 I did not find any match. Any Match
1 I want a credit card. Credit
2 I need a debit card. Debit
3 I do not know. None
</code></pre>