int buttonpin=2;
int buttonstate=0;
void setup() {
  // put your setup code here, to run once:
  pinMode(buttonpin, INPUT);
  Serial.begin(9600);
  Serial.println("start:");
}

void loop() {
  // put your main code here, to run repeatedly:
  buttonstate= digitalRead(buttonpin);
  if(buttonstate==1){
    Serial.println("button was pressed...");
    delay(1000);
  }
  else{
    Serial.println("button was not pressed...");
    delay(1000);
  }
}