TypeError:object()不带参数 - python

Question

我是python的新手,并试图用类和对象编写程序.以下是我的代码:

class Animal:
    __name = ""
    __height = 0
    __weight = 0
    __sound = 0

# define a constructor and pass arguments
def __init__(self, name, height, weight, sound):
    self.__name = name
    self.__height = height
    self.__weight = weight
    self.__sound = sound


# set and get functions for name
def set_name(self, name):
    self.__name = name

def get_name(self):
    return self.__name


# set and get functions for height
def set_height(self, height):
    self.__height = height

def get_height(self):
    return str(self.__height)


# set and get functions for weight
def set_weight(self, weight):
    self.__weight = weight


def get_weight(self):
    return str(self.__weight)


# set and get functions for sound
def set_sound(self, sound):
    self.__sound = sound

def get_sound(self):
    return self.__sound


def get_type(self):
    print("Animal")


def toString(self):
    return "{} is {} cm tall and {} kg and say {}".format(self.__name, self.__height, self.__weight, self.__sound)


# create an object call cat of type Animal
cat = Animal('Whiskers', 33, 10, 'Meow')
print(cat.toString())

当我运行程序时,它给我一个错误,该对象不带参数.但我已经在类的构造函数中描述了参数.请帮忙.

Answer 1

确保Animal的所有功能都正确缩进.他们需要在Animal类中