 Python
        Python  
      Pythonで作る!初心者でもわかるボードゲーム作成ガイド9選    
   Python
        Python   Swift
        Swift   JS
        JS   PHP
        PHP   Dart
        Dart   COBOL
        COBOL   Verilog
        Verilog   C++
        C++   Ruby
        Ruby   PHP
        PHP   COBOL
        COBOL   HTML
        HTML   Swift
            Swift     JS
            JS     Kotlin
            Kotlin     Verilog
            Verilog     C++
            C++     Java
            Java     Ruby
            Ruby