擅长:python、mysql、java
<p>你可以用以下方法</p>
<pre><code>data = ['J02', 'J02', 'J20', 'J20', 'J20', 'J20', 'J20', 'A08', 'J45']
sick=[]
for datum in data:
if datum not in data:
sick.append(datum)
</code></pre>
<p>这将产生以下输出:</p>
<pre><code>['J02', 'J20', 'A08', 'J45']
</code></pre>