【每日一坑 2】 去除重复

wolfog

# -*-coding:utf-8-*-
# 去除重复元素并且排序
listNum = [-1,100, 6, 7, 7, 3, 5, 42, 3, 4, 5, 45, 45]
dictionary = {}
for i in listNum:
    dictionary[i] = 0
noRepeatList = [key for key in dictionary]
print sorted(noRepeatList)