擅长:python、mysql、java
<p>你可以试试这个:</p>
<pre><code>#sorting rows and joining as string
df["seq_sorted"] = df.apply(lambda row: ",".join(x for x in sorted((row.seq_sp1, row.seq_sp2))), axis=1)
#droping duplicates
df = df.drop_duplicates(subset="seq_sorted").drop(["seq_sorted"], axis=1)
</code></pre>