ValueError

import sys, pickle
 
def open_file(file_name, mode):
    """Открытие файла"""
    try:
        the_file = open(file_name, mode)
    except IOError as e:
        print("Не возможно открыть файл", file_name, "Конец программы.\n", e)
        input("\n\nPress the enter key to exit.")
        sys.exit()
    else:
        return the_file
 
def next_line(the_file):
    """Следующая линия"""
    line = the_file.readline()
    line = line.replace("/", "\n")
    return line
 
def next_block(the_file):
    """Следующий блок"""
    category = next_line(the_file)
    
    question = next_line(the_file)
    
    answers = []
    for i in range(4):
        answers.append(next_line(the_file))
        
    correct = next_line(the_file)
    if correct:
        correct = correct[0]
    store = int(next_line(the_file))
        
    explanation = next_line(the_file) 
 
    return category, question, answers, correct, store, explanation
 
def welcome(title):
    """Приветствие игрока"""
    print("\t\tДобро пожаловать в викторину!\n")
    print("\t\t", title, "\n")
 
def top(file_name,scores):
    """Таблица рекордов"""
    t = open(file_name, "ab+")
    top = []
    name = input("Ваше имя?")
    entry = (scores, name)
    top.append(entry)
    top.sort(reverse=True)
    pickle.dump(top, t)
    t.close()
 
def vivod_top(file_name):
    t=open(file_name, "rb")
    top = pickle.load(t)
    print('Scores')
    print('Name\tScore')
    for entry in top:
        score, name = entry
        print(name, "\t", score)
    t.close()
    
def main():
    trivia_file = open_file("trivia.txt", "r")
    title = next_line(trivia_file)
    welcome(title)
    scores = 0
 
    # get first block
    category, question, answers, correct, score, explanation = next_block(trivia_file)
    while category:
        # ask a question
        print(category)
        print(question)
        for i in range(4):
            print("\t", i + 1, "-", answers[i])
 
        # get answer
        answer = input("Ваш ответ: ")
 
        # check answer
        if answer == correct:
            print("\nRight!", end=" ")
            scores += score
        else:
            print("\nWrong.", end=" ")
        print(explanation)
        print("Score:", scores, "\n\n")
        
        # get next block
        category, question, answers, correct, score, explanation = next_block(trivia_file)
    top("top",scores)
    trivia_file.close()
 
    print("Это был последний вопрос!")
    print("Вы набрали", scores,"очков")
    yn=input("Вывсети список рекордов?(y/n)")
    if yn=="y":
        vivod_top("top")
        
main()
input("\n\nPress the enter key to exit.")

An Episode You Can't Refuse
On the Run With a Mammal
Let's say you turn state's evidence and need to "get on the lamb." If you wait /too long, what will happen?
You'll end up on the sheep
You'll end up on the cow
You'll end up on the goat
You'll end up on the emu
1
300
A lamb is just a young sheep.
The Godfather Will Get Down With You Now
Let's say you have an audience with the Godfather of Soul. How would it be /smart to address him?
Mr. Richard
Mr. Domino
Mr. Brown
Mr. Checker
3
200
James Brown is the Godfather of Soul.
That's Gonna Cost Ya
If you paid the Mob protection money in rupees, what business would you most /likely be insuring?
Your tulip farm in Holland
Your curry powder factory in India
Your vodka distillery in Russian 
Your army knife warehouse in Switzerland
2
40
The Rupee is the standard monetary unit of India.
Keeping It the Family
If your mother's father's sister's son was in "The Family," how are you /related to the mob?
By your first cousin once removed
By your first cousin twice removed
By your second cousin once removed
By your second cousin twice removed
1
50
Your mother's father's sister is her aunt -- and her son is your /mother's first cousin. Since you and your mother are exactly one generation /apart, her first cousin is your first cousin once removed.
A Maid Man
If you were to literally launder your money, but didn't want the green in your /bills to run, what temperature should you use?
Hot
Warm
Tepid
Cold  
4
400
According to my detergent bottle, cold is best for colors that might run.