void main() {
    print("Dart language is easy to learn");
}

var name = "Dart";
int age = 25;
final a = 12;
const pi = 3.14;

String name = "Ahmed";
print("Hello, $name!");
print("Next year I'll be ${25 + 1}");

var list = [1, 2, 3, 4, 5];
var mapping = {'id': 1, 'name': 'Dart'};
print(mapping['name']); // Dart

int score = 85;
if (score >= 90) {
    print("Excellent");
} else if (score >= 75) {
    print("Good");
} else {
    print("Needs Improvement");
}

for (var i = 1; i <= 5; i++) {
    print(i);
}

int multiply(int a, int b) {
    return a * b;
}

void main() {
    int result = multiply(5, 3);
    print("Result: $result"); // 15
}

class Employee {
    String name = "";

    void result() {
        print(name);
    }
}

void main() {
    Employee emp = Employee();
    emp.name = "employee1";
    emp.result(); // employee1
}