Python Tkinter Questionaire

import tkinter as tk

class QuestionnaireApp(tk.Tk):
    def __init__(self):
        super().__init__()
        self.title("Questionnaire")
        self.geometry("400x200")

        self.questions = [
            (),
            ("Question 1: Do you like Python?", 2, 3),
            ("Question 2: Do you prefer cats over dogs?", 3, 4),
            ("Question 3: Are you a morning person?", 5, 7),
            ("Question 4: Do you enjoy reading books?", 6, 9),
            ("Question 5: Is pizza your favorite food?", 8, 9),
            ("Question 6: Do you like traveling?", 9, 10),
            ("Question 7: Are you interested in learning new languages?", 5, 10),
            ("Question 8: Do you enjoy outdoor activities?", 6, 10),
            ("Question 9: Are you a fan of superhero movies?", 4, 10),
            ("Question 10: Do you like solving puzzles?", 0, 0)
        ]
        self.current_question_index = 1

        self.data = self.questions[self.current_question_index]
        self.quest = self.data[0]
        self.yesnum = self.data[1]
        self.nonum = self.data[2]
        self.question_label = tk.Label(self, text=self.quest)       # text=self.questions[self.current_question_index])
        self.question_label.pack()

        self.yes_button = tk.Button(self, text="YES", command=self.next_yes)
        self.yes_button.pack(side=tk.LEFT, padx=10)

        self.no_button = tk.Button(self, text="NO", command=self.next_no)
        self.no_button.pack(side=tk.RIGHT, padx=10)

    def next_yes(self):
        self.current_question_index = self.yesnum
        if self.current_question_index == 0:
            self.question_label.config(text="Questionnaire completed.")
        else:
            self.data = self.questions[self.current_question_index]
            self.quest = self.data[0]
            self.yesnum = self.data[1]
            self.nonum = self.data[2]
            self.question_label.config(text=self.quest)

    def next_no(self):
        self.current_question_index = self.nonum
        if self.current_question_index == 0:
            self.question_label.config(text="Questionnaire completed.")
        else:
            self.data = self.questions[self.current_question_index]
            self.quest = self.data[0]
            self.yesnum = self.data[1]
            self.nonum = self.data[2]
            self.question_label.config(text=self.quest)

if __name__ == "__main__":
    app = QuestionnaireApp()
    app.mainloop()