from  machine import Pin
import time
SW = Pin(4, Pin.IN, Pin.PULL_UP)
LED = Pin(5, Pin.OUT)
State = False



while True:
    if SW.value()==0:
       time.sleep(0.1)
       if SW.value()==0:
           State =not State
           LED.value(State)
           

    else :
        print ("Press and hold")
        LED.value(False)
    time.sleep(0.1)