口算练习程序python

以下是一个简单的口算练习程序的Python代码：

import random

def generate_question():
    num1 = random.randint(1, 10)
    num2 = random.randint(1, 10)
    operator = random.choice(['+', '-', '*', '/'])
    if operator == '+':
        answer = num1 + num2
    elif operator == '-':
        answer = num1 - num2
    elif operator == '*':
        answer = num1 * num2
    else:
        answer = round(num1 / num2, 2)  # 保留两位小数
    question = f"What is {num1} {operator} {num2}?"
    return question, answer

def main():
    score = 0
    num_questions = 5
    for i in range(num_questions):
        question, answer = generate_question()
        print(question)
        user_answer = input("Your answer: ")
        try:
            if float(user_answer) == answer:
                print("Correct!")
                score += 1
            else:
                print(f"Incorrect. The answer is {answer}.")
        except ValueError:
            print("Invalid input. Please enter a number.")
    print(f"You scored {score} out of {num_questions}.")

if __name__ == '__main__':
    main()

运行程序后，它会生成 5 个简单的口算题，每个题目都包括两个随机数和一个随机运算符，然后让用户输入答案。用户输入后，程序会判断答案是否正确，并给出相应的反馈。最后，程序会输出用户的得分。