擅长:python、mysql、java
<p><a href="https://i.stack.imgur.com/NDzul.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/NDzul.png" alt="Please try this below code also:"/></a>请也尝试一下:</p>
<pre><code>df = pd.DataFrame({"Id":[1,1,1,1,1,1,2,2,2,3,3],
"Year":[2015,2015,2016,2016,2016,2016,2015,2016,2016,2015,2016],
"Destiny":['A','B','A','B','C','D','C','C','D','A','Z']})
df.groupby(["Id"]).last()
</code></pre>