const int buttonpin = 8;
const int ledpin = 9;
int buttonstate = 0;
void setup() 
{ 
  pinMode(ledpin,OUTPUT);
  pinMode(buttonpin,INPUT);

}

void loop() 
{ 
  buttonstate = digitalRead(buttonpin);
  if(buttonstate == HIGH)
  {
    digitalWrite(ledpin,HIGH);
  }
  else
  {
    digitalWrite(ledpin,LOW);
  }

}