from machine import Pin
from time import sleep
LED1=Pin(14,Pin.OUT)
LED2=Pin(21,Pin.OUT)
while True:
    LED1.value(1)
    sleep(1)
    LED2.value(1)
    sleep(2)
    LED1.value(0)
    sleep(0.5)
    LED2.value(0)
    sleep(0.5)