擅长:python、mysql、java
<p>我想你想要的是<a href="http://docs.python.org/2/library/functions.html#enumerate" rel="nofollow">^{<cd1>}</a>。我将添加我自己的示例,因为您的示例有点奇怪:</p>
<pre><code>>>> L = ['a', 'b', 'c', 'd', 'e']
>>> for index, value in enumerate(L):
... try:
... print L[index+1] # Prints the next item in the list
... except IndexError:
... print 'End of the list!'
...
b
c
d
e
End of the list!
</code></pre>