擅长:python、mysql、java
<p>一个简单的列表理解就可以了。</p>
<pre><code>data = [[204.0, u'stock'], [204.0, u'stock']]
column1 = [i[0] for i in data]
column2 = [i[1] for i in data]
>>> column1
[204.0, 204.0]
>>> column2
['stock', 'stock']
</code></pre>