时间模块

import time
print(time.strftime("%Y-%m-%d",time.localtime(1500000000)))  # 时间戳转字符串时间
print(time.strptime("2017-03-16","%Y-%m-%d"))  # 结构化时间
print(time.mktime(time.strptime("2017-03-16","%Y-%m-%d")))  #字符串时间转时间戳
print(time.mktime(time.strptime("2017-03-16 19:58:2","%Y-%m-%d %H:%M:%S")))