const int ledPin = 13;   // LED chirog‘ining pin raqami
const int buttonPin = 2; // Button tugmasining pin raqami

int buttonState = 0;     // Tugma holati (bosingan yoki boshmasa)
int lastButtonState = 0; // O‘tgan tugma holati
int ledState = LOW;      // LED holati (yoqilgan yoki o‘chiq)

void setup() {
  pinMode(ledPin, OUTPUT);     // LED chirog‘ini chiqaruvchi sifatida sozlash
  pinMode(buttonPin, INPUT);   // Button tugmasini o‘quvchi sifatida sozlash
}

void loop() {
  buttonState = digitalRead(buttonPin);  // Tugma holatini o‘qish

  if (buttonState != lastButtonState) {  // Tugma holatida o‘zgarish bo‘lsa
    if (buttonState == HIGH) {           // Tugma bosilgan bo‘lsa
      ledState = !ledState;              // LED holatini o‘zgartirish
    }
  }

  digitalWrite(ledPin, ledState);       // LED chirog‘ini holatini sozlash
  lastButtonState = buttonState;         // O‘tgan tugma holatini yangilash
}