from machine import Pin
from utime import sleep_ms
button = Pin(0, Pin.IN, Pin.PULL_UP)   #Internal pull-up
led = Pin(1, Pin.OUT)
State=0                                #0 means that the light is currently off
if __name__ == '__main__':
    while True:
       
        if button.value() == 0:       #key press
            if State==0: 
                led.value(1)
                sleep_ms=300
                while button.value() == 0:
                   State=1        
            else:
                led.value(0)
                sleep_ms=300
                while button.value()== 0:
                    State=0