import tkinter as tk


class Display:
    def __init__(self):
        self.tk = tk.Tk()
        self.tk.attributes('-zoomed', True)
        self.frame = tk.Frame(self.tk)
        self.frame.pack()
        self.start_fullscreen()

        self.tk.mainloop()

    def start_fullscreen(self):
        self.tk.attributes('-fullscreen', True)
        return 'break'

    def stop_fullscreen(self):
        self.tk.attributes('-fullscreen', False)
        return 'break'