擅长:python、mysql、java
<p>一种方法是首先使用列表删除前缀</p>
<p><strong>删除前缀</strong></p>
<pre><code>list = ['user01','user01', 'aa-user01','user02','user02', 'user03', 'xyz-user02']
list = [i.split('-', 1)[-1] for i in l]
list2 = []
for i in range(0, len(list)):
if list[i] not in list2:
list2.append(list[i])
print(list2)
</code></pre>