擅长:python、mysql、java
<pre><code># pd.__version__ == 0.25.1
d=[['hello',1,'GOOD','long.kw'],
['chipotle',2,'GOOD','bingo'],
['hello',3,"BAD", "lm"]]
t=pd.DataFrame(data=d, columns=['A','B','C','D'])
</code></pre>
<p>输出为</p>
<pre><code>t.groupby('A')[['B','C']].agg(lambda x: tuple(x)).applymap(list)
B C
A
chipotle [2] [GOOD]
hello [1, 3] [GOOD, BAD]
</code></pre>