void setup() {
  // Start serial communication
  Serial.begin(9600);
  while (!Serial);  // Wait for the serial port to connect (for certain boards like ESP32)
  
  Serial.println("I am in setup");
  
  // Wait for 2 seconds before entering the loop
  delay(2000);
}

void loop() {
  // Print "Loop 1000" and wait for 1 second (1000 ms)
  Serial.println("Loop 1000");
  delay(1000);
  
  // Print "Loop 2000" and wait for 2 seconds (2000 ms)
  Serial.println("Loop 2000");
  delay(2000);
  
  // After 2000ms, exit the loop and go back to setup
  Serial.println("Exit loop, go back to setup");
  
  // Call setup() again (this is not typical, but for this case, we simulate a "restart")
  setup();
  
  // The loop will not run again until the system resets.
}