const int buttonPin = 3;
const int led=2;    
int buttonState = 0;        
int lastButtonState = 0;    
int pressCount = 0;         

void setup() {
  pinMode(buttonPin, INPUT_PULLUP); 
  pinMode(led, OUTPUT);
  Serial.begin(9600);               
}

void loop() {
  buttonState = digitalRead(buttonPin); 

  if(buttonState==LOW){
    digitalWrite(led, HIGH);
  }else{
    digitalWrite(led, LOW);
  }

  if (buttonState == LOW && lastButtonState == HIGH) {
    pressCount++;
    Serial.print("Button pressed: ");
    Serial.println(pressCount);
    delay(200);
  }

  
  lastButtonState = buttonState; 
}