assert "01-例題" {
    class j1.lesson01.First;
    class j1.lesson01.YourName;
}

assert "01-練習問題" {
    class j1.lesson01.First;
    class j1.lesson01.Greeting;
}

assert "01-共通課題" {
    class j1.lesson01.FirstSpreadsheet;
    class j1.lesson01.FirstCanvas;
    class j1.lesson01.DoubleInput;
}