import random, time 
from machine import Pin 


led = Pin(27, Pin.OUT)
button = Pin(35, Pin.IN)

check = False

while True:
    if not check:
        delay = random.randrange(2000,5000)
        for i in range(10):
            fill_count = i
            print("[" + "#"*fill_count + " "*(10-fill_count) + "]")
            time.sleep_ms(delay//10)
        led.value(1)
        print("start")
        start = time.ticks_ms()
        check = True
    
    if check:
        button_value = button.value()
        print(button_value)
        if button_value == 1:
            led.value(0)
            end = time.ticks_ms()
            print("finished")
            print(end - start)
            break