온라인 퀴즈의 난이도 증가 기능을 구현하는 방법

import random

class Question:
    def __init__(self, content, difficulty):
        self.content = content
        self.difficulty = difficulty

class QuestionBank:
    def __init__(self):
        self.questions = []

    def add_question(self, content, difficulty):
        question = Question(content, difficulty)
        self.questions.append(question)

    def get_question(self, user_correct_rate):
        filtered_questions = [question for question in self.questions if question.difficulty <= user_correct_rate]
        if filtered_questions:
            return random.choice(filtered_questions)
        else:
            return None

# 初始化题库
question_bank = QuestionBank()
question_bank.add_question("题目1", 0.2)
question_bank.add_question("题目2", 0.5)
question_bank.add_question("题目3", 0.8)

# 模拟用户答题过程
user_correct_answers = 0
user_total_answers = 0

while True:
    # 获取用户答题正确率
    user_correct_rate = user_correct_answers / user_total_answers

    # 根据用户答题正确率获取难度适当的题目
    question = question_bank.get_question(user_correct_rate)

    if question:
        # 显示题目给用户，并接收用户的答案
        user_answer = input(question.content)

        # 判断用户答案是否正确，并更新用户答题状态
        if user_answer == "正确答案":
            user_correct_answers += 1
        user_total_answers += 1

        # 根据用户答题正确率调整题目的难度
        if user_correct_answers % 5 == 0:
            question.difficulty += 0.1
            print("题目难度提升了！")

    else:
        break

print("答题结束")