擅长:python、mysql、java
<p>我想我明白他的意思。。。在</p>
<pre><code>>>> from itertools import groupby
>>> tuples = ('ziyao','sa'),('guilog','sa'),('yiping','pe'),('tom','pesa'),('haha','pesa'),('hehe','pesa')
>>> [list(zip(*v)[0]) + [k] for k,v in groupby(tuples,lambda x: x[1])]
[['ziyao', 'guilog', 'sa'], ['yiping', 'pe'], ['tom', 'haha', 'hehe', 'pesa']]
</code></pre>