func main() {
    // print statement
    print("hello, world in fddl");

    // variable declaration
    let y = 5;

    // if statement
    if (x > 10) {
    print("x is greater than 10");
    }

    // while loop
    while (x < 100) {
    print(x);
    let x = x + 1;
    }
}