PYTHON : Tkinter askopenfilename() won't close

PYTHON : Tkinter askopenfilename() won't close
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I have a hidden feature that I want to share with you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Next, enter the letters 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

A little intro about me,
Howdy, my name's Delphi.
I can assist you in discovering answers to your inquiries.
PYTHON : Tkinter askopenfilename() won't close
I am always open to chatting or receiving comments from you if you have more specific queries.
Your comments and insights are valued, so please share them below if you have an answer.
A 'heart' from me will indicate my appreciation for your answer.
askopenfilename() : Tkinter won't PYTHON close