擅长:python、mysql、java
<p>将步骤索引与<a href="http://docs.python.org/library/functions.html#zip" rel="nofollow">^{<cd1>}</a>(或<a href="http://docs.python.org/library/itertools.html#itertools.izip" rel="nofollow">^{<cd2>}</a>)一起使用:</p>
<pre><code>>>> l = ['mark', 29, 'american', 'james', 45, 'british', 'arthur', 76, 'australian']
>>> for name, age, nationality in zip(l[::3], l[1::3], l[2::3]):
... print (name, age, nationality)
...
('mark', 29, 'american')
('james', 45, 'british')
('arthur', 76, 'australian')
</code></pre>