import datetime
#from time import *
#import pytz #python -m pip install pytz

#dt = datetime.datetime(2018,7,13,9,30,5000, tzinfo=pytz.UTC)
#dt_now = datetime.datetime.now(2018,7,13,9,30,5000, tz=pytz.UTC)
datetime.time()
for i in range(10,0,-1):
    print(i)
    sleep(1)
