01 #!/usr/bin/env python
02 import pibrella, os
03 from time import sleep
04 pibrella.light.green.on()
05 while True:
06         if pibrella.button.read() == 1:
07             pibrella.light.green.off()
08             pibrella.light.red.blink(1, 1)
09             sleep(5)
10             os.system("halt")