擅长:python、mysql、java
<p>使用<a href="https://docs.python.org/2/library/itertools.html#itertools.chain">^{<cd1>}</a>和<a href="https://docs.python.org/2/tutorial/controlflow.html#unpacking-argument-lists">list unpacking</a>:</p>
<pre><code>>>> items = [[('a','b','c'),('d','e','f')], [('g','h','i'),('j','k','l')]]
>>>
>>> list(chain(*items))
[('a', 'b', 'c'), ('d', 'e', 'f'), ('g', 'h', 'i'), ('j', 'k', 'l')]
</code></pre>