const int Green_LED = 8;
const int Green_BUTTON = 7;
int BUTTON_VALUE;
void setup() {
  //put your setup code here, to run once:
pinMode(Green_LED, OUTPUT);
pinMode(Green_BUTTON, INPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
BUTTON_VALUE=digitalRead(Green_BUTTON);
if (BUTTON_VALUE == LOW){

digitalWrite(Green_LED, LOW);
delay(500);

}else{
  digitalWrite(Green_LED, HIGH);
  delay(500);
}



}