from time import *
from guizero import *


########################### First Part ###########################
if 0:
    class relogio():

        countDownMinutes = 2
        countDownSeconds = 0


    def countdown(t):
        while relogio.countDownMinutes >= 0 and relogio.countDownSeconds >= 0:
            if relogio.countDownSeconds >= 10:
                print("timer:", relogio.countDownMinutes, ":", relogio.countDownSeconds)
            else:
                print("timer:", relogio.countDownMinutes, ": 0", relogio.countDownSeconds)
            if relogio.countDownSeconds <= 0:
                relogio.countDownSeconds = 59
                relogio.countDownMinutes -= 1
            else:
                relogio.countDownSeconds -= 1

            sleep(1)


    countdown(10)


########################### Second Part ###########################
def blinkBtn():
    if btnTrick.bg == "red":
        btnTrick.bg = "black"
        btnTrick.text_color="white"
    else:
        btnTrick.bg = "red"
        btnTrick.text_color = "Black"


app = App("Push Button Color")
btnTrick = PushButton(app, text="Color")
btnTrick.bg="red"
btnTrick.repeat(1000, blinkBtn)

app.display()