擅长:python、mysql、java
<p><a href="http://docs.python.org/library/itertools.html#itertools.permutations" rel="nofollow">^{<cd1>}</a>这样做。</p>
<pre><code>>>> import itertools
>>> for s in itertools.permutations('banana'):
... print ''.join(s)
...
banana
banaan
bannaa
bannaa
# many, many more...
</code></pre>