Question

我正在做一个游戏，想要解决所有问题。如果用户回答错误，我想知道发生了多少次。

此代码有点问题。当我运行所有程序时，第一个和第二个函数正确运行。但是当我要打印x_errors时，它说“名称'answer'未定义”。我不明白，因为在我的代码中，“答案”是“ 10”，“ 20”和“ 30”。希望有人可以帮助我更好地理解这一点。我感谢所有帮助！

代码：

def question():
    input_question("How old are Ring?", "10")
    input_question("How old are King?", "20")
    input_question("How old are Bing?", "30")

def input_question(question, answer):
    print(question)
    user_answer = input("Your answer: ")
    wrong = 0
    while user_answer != answer:
        wrong = 1
        print("Try again")
        user_answer = input("Your answer: ")
    print("Correct!")
    return wrong

question()
x_errors = input_question(question, answer)
print(x_errors)

谢谢！

Answer 1

错误“未定义名称答案”来自此行：

x_errors = input_question(question, answer)

在调用函数时未定义变量答案。此外，问题将是一个代表您在代码开始时声明的问题Question（）的对象，而不是字符串。

据我了解，由于您调用了问题（）方法，该方法还用问题和期望的答案调用了3次input_question（），因此，无需像在结尾处那样调用input_question。您的文件。您的代码必须如下所示：

def question():
    x_errors = input_question("How old are Ring?", 10) #remove the quote on the answer
    print (x_errors)
    x_errors = input_question("How old are King?", 20)
    print (x_errors)
    x_errors = input_question("How old are Bing?", 30)
    print (x_errors)

def input_question(question, answer):
    print(question)
    user_answer = input("Your answer: ")
    wrong = 0
    while user_answer != answer:
        wrong+=1
        print("Try again")
        user_answer = input("Your answer: ")
    print("Correct!")
    return wrong

question()
#x_errors = input_question(question, answer)
#print(x_errors)

Answer 2

您可以在input_question内部实现错误答案计数机制，并在question函数中保留错误答案的全局计数：

def question():
    questions = [
        ("How old are Ring?", "10"),
        ("How old are King?", "20"),
        ("How old are Bing?", "30"),
    ]
    global_wrong_count = 0
    for text, answer in questions:
        global_wrong_count += input_question(text, answer)
    return global_wrong_count


def input_question(question, answer):
    print(question)
    user_answer = input("Your answer: ")
    wrong_count = 0
    while user_answer != answer:
        wrong_count += 1
        print("Try again")
        user_answer = input("Your answer: ")
    print("Correct!")
    return wrong_count


print("User got it wrong {} time(s)".format(str(question())))

如何计算用户输入错误的次数

2 个答案: