82 lines
1.4 KiB
Python
82 lines
1.4 KiB
Python
## Animal is-a object (yes, sort of confusing) look at the extra credit
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class Animal(object):
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pass
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## Dog is-a Animal
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class Dog(Animal):
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def __init__(self, name):
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## Dog has-a name
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self.name = name
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## Cat is-a Animal
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class Cat(Animal):
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def __init__(self, name):
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## Cat has-a name
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self.name = name
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## Person is-a object
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class Person(object):
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def __init__(self, name):
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## Person has-a name
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self.name = name
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## Person has-a pet of some kind
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self.pet = None
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## Employee is-a person
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class Employee(Person):
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def __init__(self, name, salary):
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## heritage from parents
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super(Employee, self).__init__(name)
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## Employee has-a salary
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self.salary = salary
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## Fish is-a object
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class Fish(object):
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pass
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## Salmon is-a Fish
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class Salmon(Fish):
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pass
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## Halibut is-a Fish
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class Halibut(Fish):
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pass
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## rover is-a Dog
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rover = Dog("Rover")
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## satan is-a Cat
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satan = Cat("Satan")
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## mary is-a Person
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mary = Person("Mary")
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## mary's pet is satan
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mary.pet = satan
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print(mary.pet.name)
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## frank is-a Employee
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frank = Employee("Frank", 120000)
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## frank's pet is rover
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frank.pet = rover
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print(frank.name)
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print(frank.pet.name)
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print(frank.salary)
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## flipper is-a Fish
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flipper = Fish()
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## crouse is-a Salmon
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crouse = Salmon()
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## harry is-a Halibut
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harry = Halibut()
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