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import tkinter as tk
def popup():
popup_window = tk.Toplevel()
popup_window.title("Pop-up Window")
popup_window.geometry("200x100")
popup_window.after(3000, popup_window.destroy) # Destroy the window after 3 seconds
# Add your command logic here
# ...
root = tk.Tk()
root.title("Main Window")
button = tk.Button(root, text="Open Pop-up", command=popup)
button.pack()
root.mainloop()