guess the number game using dart programming

import 'dart:io';
import 'dart:math';

void main() {
  print("Type exit to quit the game");
  guessingGame();
}

guessingGame() {
  final random = Random();
  int randNumber = random.nextInt(100);
  int attempt = 0;

  while (true) {
    attempt += 1;
    stdout.write("Please choose a number between 0 and 100: ");
    String chosenNumber = stdin.readLineSync();

    // Make sure user does not go out of limits
    if (chosenNumber.toLowerCase() == "exit") {
      print("\nBye");
      break;
    } else if (int.parse(chosenNumber) > 100) {
      print("Please do not go over 100");
      continue;
    }

    // Main logic
    if (int.parse(chosenNumber) == randNumber) {
      print("Bingo! You tried $attempt times\n");
      continue;
    } else if (int.parse(chosenNumber) > randNumber) {
      print("You are higher");
      continue;
    } else {
      print("You are lower");
      continue;
    }
  }
}