擅长:python、mysql、java
<p>更紧凑的合并解决方案:</p>
<pre><code>df = dfa.merge(dfb, indicator='i', how='outer').query('i == "right_only"').drop('i', 1)
print (df)
</code></pre>
<p>从这里采取的解决方案:</p>
<p><a href="https://stackoverflow.com/a/49487564/9539462">https://stackoverflow.com/a/49487564/9539462</a></p>