window.py

#-*- coding:UTF-8 -*-
from tkinter import *
root=Tk()

class Principal:
    def __init__(self, window):
        window.geometry("800x600")
        window.overrideredirect(True) # Maximiza a janela sem bordas
        title_logo = Label(window, text="Tela Principal", bg="white")
        title_logo.place(x=0, y=0, width=800, height=22)
        title_f1 = Label(window, text="F1 = Menu", bg="white")
        title_f1.place(x=10, y=0, anchor=NW)
        title_esc = Label(window, text="Esc = Sair", bg="white")
        title_esc.place(x=720, y=0, anchor=NW)

        window.bind("<Escape>", lambda event: window.destroy()) # Sai do programa
        window.bind("<F1>",self.Menu)


    def Menu(self,menu):
        self.menu = Toplevel()
        self.menu.geometry("800x600")
        self.menu.overrideredirect(True) # Maximiza a janela sem bordas
        title_logo = Label(self.menu, text="Tela do Menu / Ajuda", bg="white")
        title_logo.place(x=0, y=0, width=800, height=22)
        title_f1 = Label(self.menu, text="Esc = Voltar", bg="white")
        title_f1.place(x=10, y=0, anchor=NW)
        
        def handle_esc(event):
            self.menu.destroy()
            return "break"
        
        self.menu.bind("<Escape>", handle_esc) # Volta a janela principal
     
     
Principal(root)
root.mainloop()