const int button=2;
const int led=13;
int but_state=0;
void setup()  {
  pinMode(led,OUTPUT);
  pinMode(button,INPUT);
  // put your setup code here, to run once:

}

void loop() {
  but_state=digitalRead(button);
  if(but_state==HIGH){
  digitalWrite(led,HIGH);
  }
  else
  {
    digitalWrite(led,LOW);
  }
  delay((100));
  
  // put your main code here, to run repeatedly:

}