You missed that they gave an example that does work—Java Swing is bundled with the JVM, making it more or less part of the standard library. Python itself also

You missed that they gave an example that does work—Java Swing is bundled with the JVM, making it more or less part of the standard library. Python itself also has Tkinter, which exists inside the cpython repo and is installed with Python [0]. C++ may not work, but most other languages (especially VM-based) can and many do. [0] https://github.com/python/cpython/blob/3.12/Lib/tkinter/__init__.py https://github.com/python/cpython/blob/3.12/Lib/tkinter/__in...