1. from tkinter import *  
2. import tkinter.simpledialog as dl  
3. import tkinter.messagebox as mb    
4. 
5. root = Tk()   
6. w = Label(root, text = "Guess Number Game") 
7. w.pack()      
8. 
9. mb.showinfo("yunyaniu", "Welcome to Guess Number Game")  
10. 
11. number = 2018
12. while True:
13.     guess = dl.askinteger("yunyaniu", "What's your guess?") 
14.     if guess == number:
15.         # New block starts here
16.         output = 'Bingo! you guessed it right, but you do not win any prizes!'
17.         mb.showinfo("Hint: ", output)
18.         break
19.         # New block ends here
20.     elif guess < number:
21.         output = 'No, the number is a  higer than that'
22.         mb.showinfo("Hint: ", output)
23.     else:
24.         output = 'No, the number is a  lower than that'
25.         mb.showinfo("Hint: ", output)
26. mb.showinfo("yunyaniu","Thank you for your participation！") 
27. 
28. print('Game over!')