擅长:python、mysql、java
<p>离你不远了-使用<code>itertools.product</code>和<code>*courses</code>将其解包:</p>
<pre><code>from itertools import product
for course in product(*courses):
print course
('pumkinsoup', 'cheesecake')
('pumkinsoup', 'icecream')
('pumkinsoup', 'tiramisu')
('pumkinsoup', 'cheeseplatter')
('antipasto', 'cheesecake')
('antipasto', 'icecream')
('antipasto', 'tiramisu')
('antipasto', 'cheeseplatter')
</code></pre>