list=[['aa', 'bb'], ['cc', 'dd']]
>> print [j for i in list for j in i]
['aa', 'bb', 'cc', 'dd']
>> print sum(list,[])
['aa', 'bb', 'cc', 'dd']
>> t=[]
>> [t.extend(i) for i in list]
python 合并列表的列表
最新推荐文章于 2024-07-13 12:14:00 发布