const int buttonPin = 2;  // Pin connected to the button
bool buttonPressed = false;  // Variable to track button state

void setup() {
  pinMode(buttonPin, INPUT_PULLUP); // Set the button pin as input with internal pull-up resistor
  Serial.begin(9600); // Initialize serial communication
}

void loop() {
  // Check if the button is pressed
  if (digitalRead(buttonPin) == LOW) {
    // Button is pressed
    if (!buttonPressed) {
      // If the button was not previously pressed, print a message and set buttonPressed to true
      Serial.println("Button pressed! Exiting loop...");
      buttonPressed = true;
    }
  } else {
    // Button is not pressed
    buttonPressed = false; // Reset buttonPressed flag
  }

  // If the button was pressed, exit the loop
  if (buttonPressed) {
    // Exit loop
    return;
  }

  // Perform other actions in the loop while waiting for the button to be pressed
  // For example:
  Serial.println("Looping...");
  delay(1000); // Delay to avoid continuous looping
}