I am new to python and wanted to learn it so I started learning from a week and today I took a topic called inheritance. I got this piece of code through the internet and tried to understand it. The code is as follows:
class Animal:
__name = ""
__height = 0
__weight = 0
__sound = 0
#constructor
def __init__(self, name, height, weight, sound):
self.__name = name
self.__height = height
self.__weight = weight
self.__sound = sound
def set_name(self,name):
self.__name = name
def get_name(self):
return self.__name
def set_height(self,height):
self.__height = height
def get_height(self):
return self.__height
def set_weight(self,weight):
self.__weight = weight
def get_weight(self):
return self.__weight
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 says
{}".format(self.__name,self.__height,self.__weight,self.__sound)
human = Animal("Rover",55,25,"woof")
print(human.toString())
#Inheritance
class Dog(Animal):
__owner = "" #Inherit all variables from Animal class. Add an owner
variable. Every dog class has an owner variable, but not every
#animal class has an owner variable.
#overwrite the constructor
def __init__(self, name, height, weight, sound, owner):
self.__owner = owner
super(Dog,self).__init__(name, height, weight, sound) #let Animal
superclass handle the other variables.
def set_owner(self,owner):
self.__owner = owner
def get_owner(self):
return self.__owner
def get_type(self):
print("Dog")
def toString(self):
return "{} is {} cm tall and {} kg and says {}. His owner is
{}".format(self.__name,self.__height,self.__weight,self.__sound,self.__owner)
myDog = Dog("Rover",55,25,"woof","Alex")
print(myDog.toString())
As per my knowledge Dog subclass is not properly inheriting the variables from the Animal superclass?
Back