print("Hello, ESP32!")

from machine import Pin 
from time import sleep_ms

sw = Pin(14, Pin.IN, Pin.PULL_DOWN)
led = Pin(2,Pin.OUT)
flag = 0
while True:
    if sw.value() == 1:
        sleep_ms(10)
        if sw.value() == 1 and flag == 0:
            flag = 1
            led.value(not led.value())
            while sw.value() == 1:
                flag = 0