import machine
import utime
import _thread  
led_red = machine.Pin(15,machine.Pin.OUT)
led_yellow = machine.Pin(14,machine.Pin.OUT)
led_green = machine.Pin(13,machine.Pin.OUT)
button = machine.Pin(9,machine.Pin.IN)
buzzer = machine.Pin(12,machine.Pin.OUT)


global button_pressed
button_pressed = False
def button_reader_thread():
    global button_pressed
    while True:
        if button.value() == 1:
            button_pressed = True

_thread.start_new_thread(button_reader_thread,())

while True:
    if button_pressed == True:
        led_red.value(1)
        for i in range(10):
            buzzer.value(1)
            utime.sleep(0.2)
            buzzer.value(0)
            utime.sleep(0.2)
        global button_pressed
        button_pressed = False
    led_red.value(1)
    utime.sleep(5)
    led_yellow.value(1)
    utime.sleep(2)
    led_red.value(0)
    led_yellow.value(0)
    led_green.value(1)
    utime.sleep(5)
    led_green.value(0)
    led_yellow.value(1)
    utime.sleep(5)
    led_yellow.value(0)