# coding: utf-8
from gpiozero import LED
from time import sleep
led = LED(18)
print( "Press Ctrl + C to quit! ")
while True:
    led.on()
    print("+", end = '', flush=True )
    sleep(1)
    led.off()
    print("\b-", end = '', flush=True)
    sleep(1)
    print("\b", end = '', flush=True)
pass
