from machine import Pin
from utime import sleep
p18 = Pin(18, Pin.OUT)
p5 = Pin(5, Pin.OUT)
d = 0.1
while True:
  #prva ledica
  p18.value(1)
  sleep(d)
  p18.value(0)
  sleep(d)
  #druga ledica
  p5.value(1)
  sleep(d)
  p5.value(0)
  sleep(d)

# naj LEDice izmenično utripajo.