To make our game runnable, we just need an instance of the GameWindow class. This class will handle the creation and initializing of the other two classes, making running the game effortless:
if __name__ == "__main__": gw = GameWindow() gw.mainloop()
As usual, we contain the creation of our window within an if __name__ == "__main__" block, create our instance, and call its mainloop method.
Make sure you have sourced your virtual environment, then give this code a run with python3 blackjack.py. You should be greeted by a window that looks much like the one from Chapter 3, Jack is Back in Style - the Blackjack GUI, but with a fancy shuffling animation playing. You should then see and hear each individual card being dealt to you, ...