擅长:python、mysql、java
<p>或许<a href="http://docs.python.org/2/library/functions.html#enumerate" rel="nofollow">enumerate</a>可以帮助您:</p>
<pre><code>>>> seasons = ['Spring', 'Summer', 'Fall', 'Winter']
>>> list(enumerate(seasons))
[(0, 'Spring'), (1, 'Summer'), (2, 'Fall'), (3, 'Winter')]
>>> list(enumerate(seasons, start=1))
[(1, 'Spring'), (2, 'Summer'), (3, 'Fall'), (4, 'Winter')]
</code></pre>