button_1 = ttk.Button(self, text='1', command=lambda: self.command_callback(1), takefocus=False) button_2 = ttk.Button(self, text='2', command=lambda: self.command ...
In any Tkinter program, the first thing you need is a window. This window will act as a container for your app. This line brings the Tkinter library into your program. We give it the nickname tk so we ...