擅长:python、mysql、java
<p>你必须把你的清单放进一个“家长”清单里,然后你就会发现,它是这样的:</p>
<pre><code>new_list = [['abscd', 'qrtye'], ['fghtj', 'wert']]
for sub_list in new_list:
for string in sub_list:
# do something with string
</code></pre>
<p>或使用生成器表达式:</p>
<pre><code>for string in (string for sub_list in new_list for string in sub_list):
# do something with string
</code></pre>