from machine import Pin
import time
"""
p0 = Pin(0, Pin.OUT,value=1)    
p1 = Pin(1, Pin.OUT, value=1) 
p2 = Pin(2, Pin.OUT, value=1) 
p3 = Pin(3, Pin.OUT, value=1) 
p4 = Pin(4, Pin.OUT, value=1) 
p5 = Pin(5, Pin.OUT, value=1) 
p6 = Pin(6, Pin.OUT, value=1) 
p7 = Pin(7, Pin.OUT, value=1) 
"""

while True:
    for i in range(8):
        Pin(i,Pin.OUT,value=0)
    for i in range(8):
        Pin(i,Pin.OUT,value=0)
        time.sleep(0.1)
        Pin(i,Pin.OUT,value=1)
        time.sleep(0.1)

print("END")