#!/usr/bin/env python
# -*- coding: utf-8 -*-

list1 = [2,3,6,9,10,20]
list2 = [1,6,9,25,30,40]

list3 = list1 + list2

print(list3)

# 去重
print(set(list3))


import calendar

monthRange = calendar.monthrange(2019,2)
print(monthRange)







