#shorts #python #programming #coding
import datetime, time
t = input("Enter a time (yyyy-mm-dd H:M:S): ")
t = datetime.datetime.strptime(t, '%Y-%m-%d %H:%M:%S')
while True:
print("Remain time:", (t-datetime.datetime.now()).seconds, "seconds", end="\r")
time.sleep(1)
if ((t-datetime.datetime.now()).seconds=0):
print("Stopped at", t)
break