擅长:python、mysql、java
<p>您可以使用列表理解来摆脱<code>"Date"</code>和<code>None</code></p>
<pre><code>a = ['3/10/2012', '2/18/2013', '3/18/2011', '3/17/2010', 'Date', None, '2/9/2010']
r = list(set([i for i in a if i not in("Date",None)]))
['3/10/2012', '2/18/2013', '3/18/2011', '3/17/2010', '2/9/2010']
</code></pre>