how to create an object in python

1class Mammal:
2    def __init__(self, name):
3        self.name = name
4
5    def walk(self):
6        print(self.name + " is going for a walk")
7
8
9class Dog(Mammal):
10    def bark(self):
11        print("bark!")
12
13
14class Cat(Mammal):
15    def meow(self):
16        print("meow!")
17
18
19dog1 = Dog("Spot")
20dog1.walk()
21dog1.bark()
22cat1 = Cat("Juniper")
23cat1.walk()
24cat1.meow()

1class Person:
2  def __init__(self, _name, _age):
3    self.name = _name
4    self.age = _age
5   
6  def sayHi(self):
7    print('Hello, my name is ' + self.name + ' and I am ' + self.age + ' years old!')
8    
9p1 = Person('Bob', 25)
10p1.sayHi() # Prints: Hello, my name is Bob and I am 25 years old!

1class ClassName(object): #"(object)" isn't mandatory unless this class inherit from another
2  	def __init__(self, var1=0, var2):
3    
4    	#the name of the construct must be "__init__" or it won't work
5    	#the arguments "self" is mandatory but you can add more if you want 
6    	self.age = var1
7    	self.name = var2
8    
9    	#the construct will be execute when you declare an instance of this class
10    
11  	def otherFunction(self):
12    	
13        #the other one work like any basic fonction but in every methods,
14    	#the first argument (here "self") return to the class in which you are
15 	

1#objects are collections of data

1class ClassName:
2    self.attribute_1 = variable_1 #Set attributes for all object instances
3    self.attrubute_2 = variable_2
4    
5    def __init__(self, attribute_3, attribute_4): #Set attributes at object creation
6        self.attribute_3 = attribute_3            
7        self.attribute_4 = attribute_4
8
9    def method(self): #All methods should include self
10		print("This is a method example.") #Define methods just like functions 
11
12
13object = Object(4, "string") #Set attribute_3 and attribute_4
14object.method() #Methods are called like this.

1def dump(obj):
2  for attr in dir(obj):
3    print("obj.%s = %r" % (attr, getattr(obj, attr)))
4