python中的去除重复项的操作

#!/usr/bin/env python

#coding=utf-8

origh_list = [6,3,1,2,4,5,3]

new_list = []

for item in origh_list:

    if not item in new_list:

        new_list.append(item)

print(sorted(new_list))

#!/usr/bin/env python

#coding=utf-8

origh_list = [6,3,1,2,4,5,3]

new_list = set(origh_list)

print(new_list)