from machine import Pin
from machine import ADC
import time
LED1_PIN = 11 #GPIO 11
LED2_PIN = 12 #GPIO 12
SW1_PIN = 14 #GPIO 14
SW2_PIN = 13 #GPIO 13

led1 = Pin(LED1_PIN, Pin.OUT)
led2 = Pin(LED2_PIN, Pin.OUT)
sw1 = Pin(SW1_PIN, Pin.IN, Pin.PULL_DOWN)
sw2 = Pin(SW2_PIN, Pin.IN, Pin.PULL_DOWN)

while True:
    led1.value(1)
    led2.value(0)
    print('LED ON')
    time.sleep(1)
    led1.value(0)
    led2.value(1)
    print('LED OFF')
    time.sleep(1)