#!python
# -*- mode: python; Encoding: utf-8; coding: utf-8 -*-
# Last updated: <2023/06/07 20:12:09 +0900>
"""
Show MessageBox use tkinter

Windows10 x64 21H1 + Python 3.10.10 64bit + tkinter
"""

import tkinter as tk

text = "This message is temporary.\nIt is displayed using tkinter's root."
title = "Title"

root = tk.Tk()
lbl = tk.Label(root, text=text, font=("Consolas", 20), justify="left")
lbl.pack()

btn = tk.Button(root, text="OK", command=root.destroy, font=("Consolas", 14))
btn.pack()

root.mainloop()