Automatically close window after a certain time

Question

In a class, in a function I am creating a Tkinter Canvas. This function is being called by another class, I would like for the Tkinter window to pop up for 30 seconds and th

Answer 1

Don't use time.sleep() with tkinter. Instead, call the function after on the widget you want to close.

Here it is the most simple example:

import tkinter as tk

w = tk.Tk()
w.after(30000, lambda: w.destroy()) # Destroy the widget after 30 seconds
w.mainloop()