#Created by Barbu Vulc!
import time 
from machine import Pin

#LEDs' initialization:
LED = Pin(12, Pin.OUT)

#Infinite loop...
while True:
  LED.value(1)   #Digital output (turn on the LED)!
  time.sleep(1)  #Time duration for an LED state (here is 1 second)!
  LED.value(0)   #Digital output (turn off the LED)!
  time.sleep(1)