擅长:python、mysql、java
<p>下面是一个更具python风格的单行线:</p>
<pre class="lang-py prettyprint-override"><code>flat_list = [i for sublist in synonyms if sublist is not None for i in sublist]
flat_list
>>>
['syn1', 'syn2', 'syn3', 'syn4', 'syn5', 'syn6', 'syn7', 'syn8']
</code></pre>