import microbit
r = microbit.io.P0
cutoff = 400
img = microbit.display.image
i = j = 0
while j < 5:
while r.get_digital_value() == 0:
pass
t = microbit.system_time()
while r.get_digital_value() == 1:
pass
if microbit.system_time() - t < cutoff:
img.set_pixel_value(i, j, 255)
else:
img.set_pixel_value(i, j, 0)
i = i + 1
if i >= 5:
i = 0
j = j + 1
import microbit
r = microbit.io.P0
long = 500
short = 250
while True:
while r.get_digital_value() == 0:
pass
t = microbit.system_time()
while r.get_digital_value() == 1:
pass
if microbit.system_time() - t < 400:
microbit.display.print('A')
else:
microbit.display.print('B')
