from machine import Pin
from time import sleep

led1=Pin(1,Pin.OUT)
led2=Pin(2,Pin.OUT)
led3=Pin(3,Pin.OUT)
led4=Pin(4,Pin.OUT)
led5=Pin(5,Pin.OUT)

while True:
    led1.value(1)
    sleep(o.3)
    led1.value(0)

    led2.value(1)
    sleep(o.3)
    led2.value(0)

    led3.value(1)
    sleep(o.3)
    led3.value(0)

    led4.value(1)
    sleep(o.3)
    led4.value(0)

    led5.value(1)
    sleep(o.3)
    led5.value(0)

    led4.value(1)
    sleep(o.3)
    led4.value(0)

    led3.value(1)
    sleep(o.3)
    led3.value(0)

    led2.value(1)
    sleep(o.3)
    led2.value(0)

    led1.value(1)
    sleep(o.3)
    led1.value(0)