import time
time.sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")
from machine import Pin
import time
led1= Pin(0,Pin.OUT)
led2= Pin(1,Pin.OUT)
led3= Pin(2,Pin.OUT)
while True :
    led1.value(1)
    led2.value(0)
    led3.value(0)
    time.sleep(3)
    led1.value(0)
    led2.value(1)
    led3.value(0)
    time.sleep(3)
    led1.value(0)
    led2.value(0)
    led3.value(1)
    time.sleep(3)