擅长:python、mysql、java
<p><a href="http://docs.python.org/library/itertools.html" rel="nofollow">itertools</a>模块提供<code>product</code>函数,该函数生成所有可能的元组:</p>
<pre><code>>>> from itertools import product
>>> names = ['tom','marry','jessica','john']
>>> fruits = ['oranges','apples','grapes','bananas']
>>> hobbies = ['dancing','sitting','bicycling','watching tv']
>>> for n, f, h in product(names, fruits, hobbies):
... print '%s likes to eat %s while %s' % (n, f, h)
</code></pre>
<p>也可以直接使用元组:</p>
^{pr2}$