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import random def arithmetic_generator(): while True: # 生成两个随机整数 num1 = random.randint(1, 10) num2 = random.randint(1, 10) # 选择是加法还是减法 operator = random.choice(['+', '-']) # 生成题目和答案 if operator == '+': question = f"{num1} {operator} {num2} = ?" answer = num1 + num2 else: question = f"{num1} {operator} {abs(num2)} = ?" answer = num1 - num2 if num1 >= num2 else num2 - num1 yield question, answer # 使用生成器 arithmetic_questions = arithmetic_generator() # 获取并打印10个题目 for _ in range(10): question, answer = next(arithmetic_questions) print(question) # 用户可以在这里输入答案并验证 user_answer = float(input("输入您的答案: ")) # 注意输入的可能是浮点数 if user_answer == answer: print("正确!") else: print(f"错误!正确答案是: {answer}")
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