print("Look mom, two hands!")

from machine import Pin
from time import sleep

RED = Pin(13, Pin.OUT)
GREEN = Pin(12, Pin.OUT)
BLUE = Pin(18, Pin.OUT)

LED = [RED, GREEN, BLUE]

while True:
    for led in LED:
        RED.value(1)
        GREEN.value(1)
        BLUE.value(1)
        led.value(0)
        sleep(0.2)
        
        RED.value(0)
        GREEN.value(0)
        BLUE.value(0)
        led.value(1)
        sleep(0.2)
        
    RED.value(0)
    GREEN.value(0)
    BLUE.value(0)
    sleep(0.5)