from picozero import RGBLED, Button
from time import sleep

rgb = RGBLED(red=2, green=1, blue=0)
'''
#practice 3A

rgb.color = (255, 0, 0)  # full red
sleep(1)
rgb.color = (0, 255, 0)  # full green
sleep(1)
rgb.color = (0, 0, 255)  # full blue
sleep(1)
rgb.color = (0, 0, 0)  # off
sleep(1)
    
rgb.off()
'''

#practice 3B
color = -1
button = Button(18)

while True:
    if button.is_pressed:
        color = (color + 1) % 3

        if color == 0:
            rgb.color = (255, 0, 0)
        elif color == 1:
            rgb.color = (0, 255, 0)
        elif color == 2:
            rgb.color = (0, 0, 255)
        sleep(0.5)