class Dog:
    pass

def init (dog, sound, kind = None, name = 'naamloos'):
    dog.sound = sound
    dog.kind = kind
    dog.name = name
    print (f'Een {_getSpecies (dog)} is geinstantieerd, {dog.name}')
    
def eat (dog, food = 'wat de pot schaft'):
    _introduce (dog)
    print (f'en ik eet {food}')
    
def move (dog):
    _introduce (dog)
    print (f'en ik loop')

def reproduce (dog, aantal = 3):
    _introduce (dog)
    print (f'en ik krijg gemiddeld {aantal} jongen')
    
def wagTail (dog):
    _introduce (dog)
    print ('en ik kwispel')

def _introduce (dog):
    print (
        f'Hallo, ik ben {dog.name}, mijn soort is {_getSpecies (dog)}',
        end = ' '
    )
    
def _getSpecies (dog):
    return dog.kind

myDog = Dog ()
init (myDog, 'wraff', 'Retriever', 'Bello')

yourDog = Dog ()                
init (yourDog, 'kef', 'Poodle', 'Nouchka')

eat (myDog, 'blikvoer')
wagTail (myDog)
eat (yourDog, 'droogvoer')
reproduce (myDog, 4)
move (yourDog)
reproduce (yourDog, 5)
move (myDog)
wagTail (yourDog)