const int switch1Pin = 2;  // switch 1 connected to pin 2
const int switch2Pin = 3;  // switch 2 connected to pin 3
const int led1Pin = 4;     // LED 1 connected to pin 4
const int led2Pin = 5;     // LED 2 connected to pin 5

void setup() {
  pinMode(switch1Pin, INPUT);
  pinMode(switch2Pin, INPUT);
  pinMode(led1Pin, OUTPUT);
  pinMode(led2Pin, OUTPUT);
}

void loop()
 {

  bool switch1State = digitalRead(switch1Pin);  // read switch 1 state
  bool switch2State = digitalRead(switch2Pin);  // read switch 2 state
  
  // XNOR conditional logic: LED turns on only if both switches are in the same state
  bool led1State = !(switch1State ^ switch2State);
  bool led2State = led1State;

  digitalWrite(led1Pin, led1State);  // turn LED 1 on/off
  digitalWrite(led2Pin, led2State);  // turn LED 2 on/off

  delay(100);  // add a small delay to debounce the switches



}