擅长:python、mysql、java
<p>您已更改了原始列表。所以这次索引1引用<code>('3183', 0)</code>。你知道吗</p>
<pre><code>>>> alist = [('100652761', None), ('100653343', None), ('3183', 0)]
>>> [x for x in alist if not x[1] is None]
[('3183', 0)]
>>>
</code></pre>