擅长:python、mysql、java
<p>尝试以下简单的列表理解,我们按<code>'/'</code>拆分,将所有项都放到最后一项,并用<code>'/'</code>连接:</p>
<pre><code>def changeDateLength(datelist):
return ['/'.join(item.split('/')[:-1]) for item in datelist]
</code></pre>
<hr/>
<pre><code>>>> dateList = ['6/03/15', '9/03/15', '10/03/15', '11/03/15', '12/03/15', '13/03/15', '16/03/15', '17/03/15', '18/03/15', '19/03/15']
>>> changeDateLength(dateList)
['6/03', '9/03', '10/03', '11/03', '12/03', '13/03', '16/03', '17/03', '18/03', '19/03']
>>>
</code></pre>