const int buttonPin = 2;
const int ledPin =13;
int buttonState =0,loadState =0; 
void setup(){ 
  pinMode(ledPin,OUTPUT);
  pinMode(buttonPin,INPUT);
  delay(10);
  // put your setup code here, to run once:

}

void loop() {
  if (buttonState == 0 && digitalRead(buttonPin) == HIGH){
    buttonState = 1;
    delay(50);
    loadState =!loadState;
  }
  if (buttonState == 1 && digitalRead(buttonPin) == LOW){
    buttonState = 0;
    delay(50);
    }
    if(loadState == HIGH){
      digitalWrite(ledPin,HIGH);
      }
      else{
        digitalWrite(ledPin, LOW);
        }
        }// put your main code here, to run repeatedly: