TypeError: AnonimousSurvey()接受0个位置参数，但提供了1个

class AnonimousSurvey:
    def __init__(self, topic):
        self.topic = topic
        self.responses = []

    def add_response(self, response):
        self.responses.append(response)

    def show_results(self):
        print("Survey results:")
        for response in self.responses:
            print("- " + response)

# 创建一个匿名调查对象
survey = AnonimousSurvey("Favorite color")

# 添加用户的答案
survey.add_response("Blue")
survey.add_response("Red")
survey.add_response("Green")

# 显示调查结果
survey.show_results()