python中list去重复

方法一：

ids = [1,2,3,3,4,2,3,4,5,6,1]news_ids = []for id in ids:    if id not in news_ids:        news_ids.append(id)print news_ids

方法二：

set方法

ids = [1,4,3,3,4,2,3,4,5,6,1]ids = list(set(ids))