程式語言 - Python - GTK - Hello, world!

main.py

import gi
gi.require_version("Gtk", "3.0")
from gi.repository import Gtk

win = Gtk.Window()
win.set_title('Hello, world!')
win.connect("delete-event", Gtk.main_quit)
win.show_all()
Gtk.main()

執行

$ python3 ./main.py