'''
Sample H
One possible solution to flowchart H
'''
from codex import *
from random import randrange


while True:


    if buttons.was_pressed(BTN_A):
        red = randrange(256)
        green = randrange(256)
        blue = randrange(256)
        color = (red, blue, green)
        pixels.set(0, color)
        pixels.set(1, color)
        pixels.set(2, color)
        pixels.set(3, color)


    # optional kill switch
    if buttons.was_pressed(BTN_B):
        break