擅长:python、mysql、java
<p>看看收藏。柜台</p>
<pre><code>>>> wordlist = ['foo', 'bar', 'foo', 'baz']
>>> import collections
>>> counter = collections.Counter(wordlist)
>>> counter.most_common()
[('foo', 2), ('baz', 1), ('bar', 1)]
</code></pre>