'''
Sample F
One possible solution to flowchart F
'''
from codex import *
from time import sleep


delay = 1


display.show("Press U")
sleep(delay)


if buttons.was_pressed(BTN_U):
    pixels.set(0, GREEN)
    sleep(delay)
else:
    pixels.set(0, RED)
    sleep(delay)


display.show("Press D")
sleep(delay)


if buttons.was_pressed(BTN_):
    pixels.set(1, GREEN)
    sleep(delay)
else:
    pixels.set(1, RED)
    sleep(delay)


display.show("Press A")
sleep(delay)


if buttons.was_pressed(BTN_A):
    pixels.set(2, GREEN)
    sleep(delay)
else:
    pixels.set(2, RED)
    sleep(delay)