const int ledPin = 13;
const int switchPin = 2;
int switchState = 0;         // Perbaiki penamaan variabel
int ledState = LOW;
int lastSwitchState = LOW;

void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(switchPin, INPUT);
}

void loop() {
  switchState = digitalRead(switchPin);

  // Perbaiki pengecekan kondisi dan penamaan variabel
  if (switchState == HIGH && lastSwitchState == LOW) {
    ledState = !ledState;         // Toggle state LED
    digitalWrite(ledPin, ledState);
  }

  lastSwitchState = switchState; // Perbaiki penamaan variabel
}