from future import *
from sugar import *
import time
# 可用: P0、P1、P2、P3、P8、P13、P14、P15、P16
button = Button('P1')
x = 0
screen.sync = 0
screen.fill(0)
screen.text(x, x = 5, y = 5)
screen.refresh()
while True:
if button.value() == 0:
x += 1
screen.fill(0)
screen.text(x, x = 5, y = 5)
screen.refresh()
sleep(0.5)