#!/usr/bin/python
#-*- coding:utf-8 -*-
import time
n1 = True
while n1:
print ('1')
time.sleep(1)
n1 = False
print ("end")
#!/usr/bin/python
#-*- coding:utf-8 -*-
import time
n1 = True
while n1:
print ('1')
time.sleep(1)
n1 = False
print ("end")