Ich muss das Konzept hinter der Modell / Ansicht / Controller-Methode verstehen und wissen, wie man eine GUI auf diese Weise schreibt. Hier ist nur eine wirklich einfache, einfache GUI. Kann mir jemand erklären, wie man diesen Code mit MVC umschreibt?

from tkinter import *

class Application(Frame):
    """ GUI application that creates a story based on user input. """
    def __init__(self, master):
        """ Initialize Frame. """
        super(Application, self).__init__(master)  
        self.grid()
        self.create_widgets()

    def create_widgets(self):
        """ Create widgets to get story information and to display story. """
        # create instruction label
        Label(self,
              text = "Enter information for a new story"
              ).grid(row = 0, column = 0, columnspan = 2, sticky = W)

        # create a label and text entry for the name of a person
        Label(self,
              text = "Person: "
              ).grid(row = 1, column = 0, sticky = W)
        self.person_ent = Entry(self)
        self.person_ent.grid(row = 1, column = 1, sticky = W)

        # create a label and text entry for a plural noun
        Label(self,
              text = "Plural Noun:"
              ).grid(row = 2, column = 0, sticky = W)
        self.noun_ent = Entry(self)
        self.noun_ent.grid(row = 2, column = 1, sticky = W)

        # create a label and text entry for a verb
        Label(self,
              text = "Verb:"
              ).grid(row = 3, column = 0, sticky = W)
        self.verb_ent = Entry(self)
        self.verb_ent.grid(row = 3, column = 1, sticky = W)

        # create a label for adjectives check buttons
        Label(self,
              text = "Adjective(s):"
              ).grid(row = 4, column = 0, sticky = W)

        # create itchy check button
        self.is_itchy = BooleanVar()
        Checkbutton(self,
                    text = "itchy",
                    variable = self.is_itchy
                    ).grid(row = 4, column = 1, sticky = W)

        # create joyous check button
        self.is_joyous = BooleanVar()
        Checkbutton(self,
                    text = "joyous",
                    variable = self.is_joyous
                    ).grid(row = 4, column = 2, sticky = W)

        # create electric check button
        self.is_electric = BooleanVar()
        Checkbutton(self,
                    text = "electric",
                    variable = self.is_electric
                    ).grid(row = 4, column = 3, sticky = W)

        # create a label for body parts radio buttons
        Label(self,
              text = "Body Part:"
              ).grid(row = 5, column = 0, sticky = W)

        # create variable for single, body part
        self.body_part = StringVar()
        self.body_part.set(None)

        # create body part radio buttons
        body_parts = ["bellybutton", "big toe", "medulla oblongata"]
        column = 1
        for part in body_parts:
            Radiobutton(self,
                        text = part,
                        variable = self.body_part,
                        value = part
                        ).grid(row = 5, column = column, sticky = W)
            column += 1

        # create a submit button
        Button(self,
               text = "Click for story",
               command = self.tell_story
               ).grid(row = 6, column = 0, sticky = W)

        self.story_txt = Text(self, width = 75, height = 10, wrap = WORD)
        self.story_txt.grid(row = 7, column = 0, columnspan = 4)

    def tell_story(self):
        """ Fill text box with new story based on user input. """
        # get values from the GUI
        person = self.person_ent.get()
        noun = self.noun_ent.get()
        verb = self.verb_ent.get()
        adjectives = ""
        if self.is_itchy.get():
            adjectives += "itchy, "
        if self.is_joyous.get():
            adjectives += "joyous, "
        if self.is_electric.get():
            adjectives += "electric, "
        body_part = self.body_part.get()

        # create the story
        story = "The famous explorer "
        story += person
        story += " had nearly given up a life-long quest to find The Lost City of "
        story += noun.title()
        story += " when one day, the "
        story += noun
        story += " found "
        story += person + ". "
        story += "A strong, "
        story += adjectives
        story += "peculiar feeling overwhelmed the explorer. "
        story += "After all this time, the quest was finally over. A tear came to "
        story += person + "'s "
        story += body_part + ". "
        story += "And then, the "
        story += noun
        story += " promptly devoured "
        story += person + ". "
        story += "The moral of the story? Be careful what you "
        story += verb
        story += " for."

        # display the story                                
        self.story_txt.delete(0.0, END)
        self.story_txt.insert(0.0, story)

# main
def main():
    root = Tk()
    root.title("Mad Lib")
    app = Application(root)
    root.mainloop()

main()