Python-сообщество

#Читает из текстого дукумента
import sys
def open_file(file):
    try:
        x = open("file.txt", "r")
    except IOError as e:
        print("Файла с именем file.txt нету", e)
        input("Нажмите Enter чтобы выйти.")
        sys.exit()
    else:
        return x
def next_line(x):
    line = x.readline()
    line = line.replace("/", "\n")
    return line
def next_block(x):
    subject = next_line(x)
    question = next_line(x)
    answer1 = next_line(x)
    answer2 = next_line(x)
    answer3 = next_line(x)
    answer4 = next_line(x)
    true_answer = next_line(x)
    commentary = next_line(x)
    return subject, question, answer1, answer2, answer3, answer4, true_answer, commentary
def welcome(subject):
    print("Добро пожаловать в игру Викторина")
    print("Вот тема: ", subject)
    
    
def true_question(question):
    print("Вопрос: ", question)
    
    
def answers(answer1, answer2, answer3, answer4):
    print("Варианты ответов")
    for i in (answer1, answer2, answer3, answer4):
        print(i)
        
    
def commentarys(commentary):
    print(commentary)
def main(subject, question, answer1, answer2, answer3, answer4):
    welcome(subject)
    true_question(question)
    answers(answer1, answer2, answer3, answer4)
    
    
    
main(subject, question, answer1, answer2, answer3, answer4)
otwet = None
while otwet:
    otwet = input("Введите ответ: ")
    if otwet == true_answer:
        print("Правельно")
        commentarys(commentary)
        input("Нажмите Enter чтобы выйти.")
        break
    else:
        print("Нет")

main(subject, question, answer1, answer2, answer3, answer4)