Issues with buttons on tkinter canvas. How to fix it?

Question

Python

I'm making a simple game, but I'm having trouble with the buttons on the second window.
Here's what happened:

although everything is fine on the first window:

How can I fix this? Archive with codes and images:
https://drive.google.com/file/d/1Wqni3HNE_q_O5NUBf...

Answer 1

the solution is simple, i forgot the mainloop() command at the end