import time
# print(time.time())
# time.sleep(3)
# print(help(time))
# print(time.gmtime()) # 中国24个时区  北京+8  结构化时间time.struct_time(tm_year=2020, tm_mon=1, tm_mday=28, tm_hour=1, tm_min=54, tm_sec=52, tm_wday=1, tm_yday=28, tm_isdst=0)
# print(time.localtime()) # 本地时间 time.struct_time(tm_year=2020, tm_mon=1, tm_mday=28, tm_hour=10, tm_min=1, tm_sec=56, tm_wday=1, tm_yday=28, tm_isdst=0)
# print(help(time.strftime))

# suruct_time = time.localtime()
# print(time.strftime("%Y---%m---%d  %H:%M:%S",suruct_time)) # 2020---01---28  10:12:17
# print(time.strptime("2020---01---28  10:12:17","%Y---%m---%d  %H:%M:%S")) #表现形式,“时间”,“格式”
# a = time.strptime("2020---01---28  10:12:17","%Y---%m---%d  %H:%M:%S")
# print(a.tm_year,a.tm_hour,a.tm_wday) #星期是从零开始的,零代表周一,一周最多为6
# print(time.ctime())# 当前时间 Tue Jan 28 11:08:46 2020
# print(time.ctime(5646465464)) # 指定字符串 Thu Dec  5 22:37:44 2148
# print(help(time.mktime))
# print(time.mktime(time.localtime())) #转换为时间戳

import datetime
print(datetime.datetime.now())  #貌似有点长啊2020-01-28 11:16:38.159820