'''
Mission 10 - Reaction Time
through Objective 2
'''
from codex import *
from time import sleep
import random

def countdown():
    display.clear()

    pixels.set([BLACK, BLACK, BLACK, BLACK])

    display.print(3, scale=6)
    sleep(1)
    display.print(2, scale=6)
    sleep(1)
    display.print(1, scale=6)
    sleep(1)
    display.clear()

# -- Main Program --
countdown()

ms = random.randrange(1000, 5000)
delay_time = ms / 1000

pixels.set([GREEN, GREEN, GREEN, GREEN])