implement an initial demo for a graphical user interface that allows the users to enter the number of books and display the associated basic calculations, to begin with. Python code example

Example 1: basic tkinter gui

import tkinter as tk
root = tk.Tk()
root.title("my title")
root.geometry('200x150')
root.configure(background='black')

#	enter widgets here

root.mainloop()

Example 2: tkinter tutorial

text_box.insert(tk.END, "Put me at the end!")