1. GUI: Graphical User Interface
2. tkinter: GUI library for Python
3. GUI Example
from tkinter import *
import tkinter.simpledialog as dl
import tkinter.messagebox as mb
root = Tk()
w = Label(root,text = "Label Title")
w.pack()
mb.showinfo("Welcome","Welcome Message")
guess = dl.askinteger("Number","Enter a number")
output = "This is output message"
mb.showinfo("output: ",output)