int LED = 8;
int PushButton = 7;
int state = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(LED, OUTPUT);
  pinMode(PushButton, INPUT_PULLUP);
  digitalWrite(LED, LOW);

}

void loop() {
  // put your main code here, to run repeatedly:
  state = digitalRead(PushButton);
  if (!state == HIGH)
  {
    digitalWrite(LED, HIGH);
  }
  else
  {
    digitalWrite(LED, LOW);
  }

}