const int numLEDs = 8; // Number of LEDs
const int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9}; // Pins where LEDs are connected
const int delayTime = 200; // Delay time (in milliseconds)

void setup() {
  // Initialize all LED pins as outputs
    for (int i = 0; i < numLEDs; i++) {
        pinMode(ledPins[i], OUTPUT);
          }
            // Initialize random number generator
              randomSeed(analogRead(0));
              }

              void loop() {
                // Turn off all LEDs
                  for (int i = 0; i < numLEDs; i++) {
                      digitalWrite(ledPins[i], LOW);
                        }

                          // Choose a random LED
                            int randomLED = random(numLEDs);

                              // Turn on the random LED
                                digitalWrite(ledPins[randomLED], HIGH);

                                  // Wait for a short period
                                    delay(delayTime);

                                      // Turn off the random LED
                                        digitalWrite(ledPins[randomLED], LOW);
                                        }