importtime
count=0
a=int(input('time:'))
while(count<a):
count_now=a-count
print(count_now)
time.sleep(1)#sleep1second
count+=1
print('done')
importtime
count=0
a=int(input('time:'))
while(count<a):
count_now=a-count
print(count_now)
time.sleep(1)#sleep1second
count+=1
print('done')