import Servo 
import machine
import time
LED2 = machine.Pin(2,machine.Pin.OUT)
servo = Servo(9)  
print((machine.Pin))
while True:
  LED2.value(0)
  time.sleep(3)
  LED2.value(1)
  servo.pulse(90)
  time.sleep(3)
  LED2.value(0)
  servo.pulse(0)