The quiz class

def __init__(self):
    question_type = (Add, Multiply)
    # generate 10 random questions with numbers from 1 to 10
    for _ in range(10):
        num1 = random.randint(1, 10)
        num2 = random.randint(1, 10)
        questions = random.choice(question_type)(num1, num2)
        # add these questions into self.questions
        self.questions.append(question)



def take_quiz(self):
    # log the start time
    # ask all of the questions
    # log if they got the question right
    # log the end time
    # show a summary
    pass

def ask(self, question):
    # log the start time
    # capture the answer
    # check the answer
    # log the end time
    # if the answer's right, send back True
    # otherwise, send back False
    # send back the elapsed time, too
    pass


    def total_correct(self):
        # return the total number of correct answers
        total = 0
        for answer in self.answers:
            if answer [0]:
                total += 1
        return total

def summary(self):
    print('You got {} out of {} right.'.format(
            self.total_correct, len(self.questions)
    ))
    # print how many you got right and the total # of questions. 5/10
    # print the total time for the quiz: 30 seconds!
    print('It took you {} seconds total.'.format(
            (self.end_time-self.start_time).seconds
    ))