# Tk_close_after_2s_threading.py

# Tk_close_after_2s_threading.py

import threading
import tkinter

root = tkinter.Tk()
tkinter.Frame(root, width=250, height=100).pack()
tkinter.Label(root, text='Hello Threading').place(x=20, y=10)

threading.Timer(3.0, root.destroy).start()

root.mainloop()