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


import time

# print(time.time())
# print(time.altzone)
#
# print(time.localtime())
#
# a = time.timezone
# time.sleep(5)

# a = time.strftime("%Y-%m-%d")
# print(a)


# import datetime
#
# print(datetime.datetime.now())

import random
# print(random.randrange(1,4))
# print(random.choice("cccahhahah"))
# print(random.sample("cccahhahah",4))


