###### IMPORT LIBRARIES
from machine import Pin
from utime import sleep
# Replace the x with your GPIO Pin x number here
red_pin = Pin (17, Pin.OUT )
# Replace the y with your GPIO Pin y number here
green_pin = Pin (16, Pin.OUT )
# Replace the z with your GPIO Pin z number here
blue_pin = Pin (4, Pin.OUT )
def main():
    while True:
        red_pin.value(0)
        green_pin.value(1)
        blue_pin.value(1)
        sleep(0.5)
        # Green ON
        red_pin.value(1)
        green_pin.value(0)
        blue_pin.value(1)
        sleep(0.5)
        # Blue ON
        red_pin.value(1)
        green_pin.value(1)
        blue_pin.value(0)
        sleep(0.5)
if __name__ == '__main__':
    main()