Def changeName(self, newName): self. petName = newName

class petCarrier:
size = 'medium'
color = 'red'

# main program
myPetA = pet('dog', 'Spot')
myPetB = pet('cat', 'Fluffy')

accessible to the entire program

limited to the petCarrier class

limited to the __init__ method

limited to the pet class