from machine import Pin
from utime import sleep

pin = None


pin = 25
_pin = {}
_pin[pin] = Pin(pin, Pin.OUT)
for count2 in range(5):
    for count in range(2):
        _pin[pin].value(1)
        sleep(0.1)
        _pin[pin].value(0)
        sleep(0.1)
    sleep(0.6)