擅长:python、mysql、java
<p>可能是一行</p>
<pre><code>>>> data = [[204.0, u'stock'], [204.0, u'stock']]
>>> columns = [ [d[k] for d in data] for k in range(2)]
[[204.0, 204.0], ['stock', 'stock']]
>>> columns[0]
[204.0, 204.0]
</code></pre>
<p>如果变量的大小可以更改,则可以执行以下操作:</p>
<pre><code>columns = [ [d[k] for d in data] for k in range(max(map(len,data)))]
</code></pre>