from machine import Pin
from time import sleep

button = Pin(2, Pin.IN)
led = Pin(14, Pin.OUT)
mode = 0
blink_rate = 0
last_button_state = 0

while True:
    button_state = button.value()

    if button_state == 1 and last_button_state = 0:
        print("Mode-",mode, "Blinkrate-", blink_rate)

        if mode == 0:
            mode = 1
            blink_rate = 0.75
        elif mode == 1:
            mode = 2
            blink_rate = 0.5
        elif mode == 2:
            mode = 3
            blink_rate = 0.25
        elif mode == 3:
            mode = 4
            blink_rate = 0.1
        else:
            mode = 0
            blink_rate = 0
        
        sleep(0.2)

    last_button_state = button_state

    if mode = 0:
        led.value(0)
        sleep(0.5)
    else:
        led.value(1)
        sleep(blink_rate)
        led.value(0)
        sleep(blink_rate)