擅长:python、mysql、java
<p>在数据帧上使用merge方法并指定键</p>
<pre><code>merged_inner = pd.merge(left=df_left, right=df_right, left_on='PurchaseOrders', right_on='PurchaseOrders')
</code></pre>
<p>了解更多信息<a href="https://datacarpentry.org/python-ecology-lesson/05-merging-data/" rel="nofollow noreferrer">here</a></p>