Interview question

What are the different types of inheritance? Inheritance के कितने types हैं?

Answer

Type	Description	Example
Single	One parent, one child	class Dog(Animal)
Multiple	Multiple parents, one child	class Car(Vehicle, Fuel)
Multilevel	Chain: A->B->C	class Puppy(Dog(Animal))
Hierarchical	One parent, multiple children	Dog, Cat, Bird from Animal
Hybrid	Combination of types	Mix of above types

# Single Inheritance
class Animal:
    pass

class Dog(Animal):
    pass

# Multiple Inheritance
class Vehicle:
    pass

class Fuel:
    pass

class Car(Vehicle, Fuel):
    pass

# Multilevel Inheritance
class Animal:
    pass

class Dog(Animal):
    pass

class Puppy(Dog):
    pass

# Hierarchical Inheritance
class Animal:
    pass

class Dog(Animal):
    pass

class Cat(Animal):
    pass

class Bird(Animal):
    pass

# Diamond Problem (with Multiple Inheritance)
class A:
    def method(self):
        print('A method')

class B(A):
    def method(self):
        print('B method')

class C(A):
    def method(self):
        print('C method')

class D(B, C):
    pass

d = D()
d.method()  # B method (C3 Linearization)
print(D.__mro__)  # Shows MRO

Single: एक parent, एक child
Multiple: Multiple parents, एक child
Multilevel: Chain A->B->C
Hierarchical: एक parent, multiple children
Hybrid: Combination

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