from machine import Pin
from time import sleep


Led = Pin(1, Pin.OUT)
Led2 = Pin(5, Pin.OUT)
Led3 = Pin(9, Pin.OUT)


def show_light(active_pin, duration):
 
    Led.value(0)
    Led2.value(0)
    Led3.value(0)
    
    
    active_pin.value(1)
    sleep(duration)


while True:
    
    show_light(Led3, 3.0)

    
    show_light(Led2, 1.0)

   
    show_light(Led, 1.5)

    

    Led.value(1)
    Led2.value(1)
    sleep(1.0)