bool state=false;
void setup() {
  // put your setup code here, to run once:
/*pinMode(9, OUTPUT);
pinMode(8, OUTPUT);
pinMode(7, OUTPUT);
pinMode(3, INPUT);*/
pinMode(4, OUTPUT);
pinMode(2, INPUT_PULLUP);

}

void loop() {
  // put your main code here, to run repeatedly:
//digitalWrite(3, HIGH);
int value=digitalRead(2);
//Serial.println(button);
//delay(500);
if(value==HIGH){
  digitalWrite(4,LOW);
}
else(value==LOW);{
  digitalWrite(4, HIGH);
}

}