# ========================================================= # # ========================================================= import sys if sys.version_info.major is 3: from tkinter import * py3 = True else: from Tkinter import * py3 = False root = Tk() w = Label(root, text='Hello World!') root.overidedirect = True root.geometry('{}x{}+0+0'.format(root.winfo_screenwidth(), root.winfo_screenheight())) root.focus_set() root.bind('<Escape>', lambda e: root.quit()) w.pack() root.mainloop()