const int pushButton = 4;
const int light = 7;

int lastState = HIGH;

void setup() {
  pinMode(light , OUTPUT);
  pinMode(pushButton , INPUT_PULLUP);
  Serial.begin(115200);
}

void loop() {
  int currentState = digitalRead(pushButton);

  if(lastState != currentState){
    
    if(currentState == HIGH){
       Serial.println("released");
       digitalWrite(light , LOW);

    }
    if(currentState == LOW){
      Serial.println("Pressed");
      digitalWrite(light , HIGH);
    }

   lastState = currentState;
  }

}