import random

定义随机加法练习函数

def random_addition_exam(): score = 0 # 生成三道加法题目 for _ in range(3): num1 = random.randint(1, 10) num2 = random.randint(1, 10) answer = num1 + num2

    # 输出题目并获取用户输入的答案
    print(f"{num1} + {num2}=?

") user_answer = int(input())

    # 检查用户答案是否正确，并更新得分
    if user_answer == answer:
        score += 10
        print("回答正确！")
    else:
        score -= 5
        print(f"回答错误! 正确答案是： {answer}.")

# 输出总得分
print(f"\n总得分: {score}")

random_addition_exam()