Python การใช้งาน Inheritance

# คลาสแม่
class Animal:
    def speak(self):
        return "Animal speaks"

# คลาสลูก
class Dog(Animal):
    def speak(self):
        return "Dog barks"

# สร้างอ็อบเจกต์ของคลาสลูก
dog = Dog()
print(dog.speak())  # Output: Dog barks

class Animal:
    def speak(self):
        return "Animal speaks"

class Canine:
    def run(self):
        return "Canine runs fast"

class Dog(Animal, Canine):
    pass

dog = Dog()
print(dog.speak())  # Output: Animal speaks
print(dog.run())    # Output: Canine runs fast

class Animal:
    def speak(self):
        return "Animal speaks"

class Dog(Animal):
    def speak(self):
        return "Dog barks"

class Puppy(Dog):
    def speak(self):
        return "Puppy barks softly"

puppy = Puppy()
print(puppy.speak())  # Output: Puppy barks softly

class Animal:
    def speak(self):
        return "Animal speaks"

class Dog(Animal):
    def speak(self):
        return "Dog barks"

class Cat(Animal):
    def speak(self):
        return "Cat meows"

dog = Dog()
cat = Cat()
print(dog.speak())  # Output: Dog barks
print(cat.speak())  # Output: Cat meows

class Animal:
    def speak(self):
        return "Animal speaks"

class Canine(Animal):
    def run(self):
        return "Canine runs fast"

class Dog(Canine):
    def speak(self):
        return "Dog barks"

class Labrador(Dog):
    def color(self):
        return "Labrador is yellow"

labrador = Labrador()
print(labrador.speak())  # Output: Dog barks
print(labrador.run())    # Output: Canine runs fast
print(labrador.color())  # Output: Labrador is yellow

class Animal:
    def speak(self):
        return "Animal speaks"

class Dog(Animal):
    def speak(self):
        original_speak = super().speak()  # เรียกใช้ฟังก์ชัน speak จากคลาสแม่
        return f"{original_speak} and Dog barks"

dog = Dog()
print(dog.speak())  # Output: Animal speaks and Dog barks