Программа для тестирования знаний на Python

from random import shuffle
from tkinter import *
 
def count1(event):
    global ans1, answers, score
    if ans1 == answers[0]:
        score += 1
 
 
def count2(event):
    global ans1, answers, score
    if ans1 == answers[1]:
        score += 1
 
 
 
def count3(event):
    global ans1, answers, score
    if ans1 == answers[0]:
        score += 1
 
 
score = 0
tests = open('input.txt', 'r', encoding='utf-8')
for i in range(0, 3):
    question = tests.readline()
    ans1 = tests.readline().strip()
    ans2 = tests.readline().strip()
    ans3 = tests.readline().strip()
    answers = [ans1, ans2, ans3]
    shuffle(answers)
    print(question)
    shuffle(answers)
    print(*answers, sep='\n')
 
    root = Tk()
    lab = Label(root, text=question, font="Arial 18")
    lab.pack()
 
    answ1 = Button(root)
    answ1['text'] = answers[0]
    answ1.bind('<Button-1>', count1)
    answ1.pack()
 
    answ2 = Button(root)
    answ2['text'] = answers[1]
    answ2.bind('<Button-1>', count2)
    answ2.pack()
 
    answ3 = Button(root)
    answ3['text'] = answers[2]
    answ3.bind('<Button-1>', count3)
    answ3.pack()
 
root.mainloop()
print(score)