from machine import Pin
from utime import sleep

print("Hello, Pi Pico!")

led = Pin(4, Pin.OUT)
while True:
  led.toggle()
  sleep(0.5)

led2 = Pin(7, Pin.OUT)
while True:
    led2.toggle()
    sleep(0.7)

led3 = Pin(27, Pin.OUT)
while True:
    led3.toggle()
    sleep(0.15)