const int pinButton = 2;  // Pin 2 as input for the button
const int pinLED = 8;     // Pin 8 as output for the LED

void setup() {
  pinMode(pinButton, INPUT);   // Set pinButton as input
  pinMode(pinLED, OUTPUT);     // Set pinLED as output
  
  // Activate pull-up resistor
  digitalWrite(pinButton, HIGH);
}

void loop() {
  if (digitalRead(pinButton) == LOW) {  // If button is pressed
    digitalWrite(pinLED, HIGH);         // Turn on the LED
  }
  else {                                // If button is not pressed
    digitalWrite(pinLED, LOW);          // Turn off the LED
}
}