python去除列表（数组）里的重复记录

#方法1：
>>> mylist = [3,5,8,5,3,12]
>>> print dict().fromkeys(mylist).keys()
[8, 3, 12, 5]
>>>

#方法2：
>>> mylist = [3,5,8,5,3,12]
>>> print list(set(mylist))
[8, 3, 12, 5]
>>>