from machine import Pin
import utime

# Define LED pin
led_pin17 = 17  # The LED is connected to pin 25
led_pin18 = 18  # The LED is connected to pin 25
led_pin16 = 16  # The LED is connected to pin 25

# Initialize the LED pin as an output
led1 = Pin(led_pin16, Pin.OUT)
led2 = Pin(led_pin17, Pin.OUT)
led3 = Pin(led_pin18, Pin.OUT)

try:
    while True:
        # Turn on the LED
        led1.value(1)
        print("LED on")
        utime.sleep(1)  # Wait for 1 second

        led1.value(0)
        print("LED off")
        utime.sleep(1)  # Wait for 1 second

        led2.value(1)
        print("LED on")
        utime.sleep(1)  # Wait for 1 second

        led2.value(0)
        print("LED off")
        utime.sleep(1)  # Wait for 1 second


        led3.value(1)
        print("LED on")
        utime.sleep(1)  # Wait for 1 second

        led3.value(0)

        print("LED off")
        utime.sleep(1)  # Wait for 1 second
except KeyboardInterrupt:
    # Clean up GPIO
    led1.deinit()
    led2.deinit()
    led3.deinit()