void main() {
    // Just print it!
    print("Hello World");
}

enum Os { BigSur, Mojave, Sierra, Catalina }

void main() {
    String name = "Vishnu Sivan";
    int age = 27;
    double height = 1.5;
    bool male = true;

    var field = "Programming";
    final grade = "A";
    const home = "Kerala";

    dynamic food = "Rice";
    food = "Egg";
}