how to pop up dialog box in python code example

Example 1: how to make alert dialog in tkinter

import tkinter as tk
from tkinter import messagebox as mb

def answer():
    mb.showerror("Answer", "Sorry, no answer available")

def callback():
    if mb.askyesno('Verify', 'Really quit?'):
        mb.showwarning('Yes', 'Not yet implemented')
    else:
        mb.showinfo('No', 'Quit has been cancelled')

tk.Button(text='Quit', command=callback).pack(fill=tk.X)
tk.Button(text='Answer', command=answer).pack(fill=tk.X)
tk.mainloop()

Example 2: popup window python tkinter

import tkinter as tk

def popupmsg(msg, title):
    root = tk.Tk()
    root.title(title)
    label = ttk.Label(root, text=msg)
    label.pack(side="top", fill="x", pady=10)
    B1 = tk.Button(root, text="Okay", command = root.destroy)
    B1.pack()
    popup.mainloop()