擅长:python、mysql、java
<p>以下是我将如何着手:</p>
<pre><code>df["column4"] = df.apply(
lambda x: (
re.sub(r"[^a-zA-Z+]", "", (x.column1 + x.column2).strip().lower())
in re.sub(r"[^a-zA-Z+]", "", x.column3.strip().lower())
)
or (
re.sub(r"[^a-zA-Z+]", "", (x.column2 + x.column1).strip().lower())
in re.sub(r"[^a-zA-Z+]", "", x.column3.strip().lower())
),
axis=1,
)
</code></pre>