ExamAdept

How does Python handle multiple inheritance conflicts for attribute resolution?

A:

By automatically resolving conflicts using the first defined attribute

B:

By raising an error and requiring explicit resolution using super()

C:

By using the C3 linearization algorithm to determine attribute resolution order

D:

Multiple inheritance conflicts are not allowed in Python

Answer: A

Python automatically resolves attribute conflicts in multiple inheritance by using the attribute defined in the first class.

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Consider the following code:

class Vehicle:
    def __init__(self, brand):
        self.brand = brand

class Car(Vehicle):
    def __init__(self, brand, model):
        super().__init__(brand)
        self.model = model

What is the primary purpose of using super().__init__(brand) in the Car class constructor?

A:

To call the constructor of the Car class

B:

To create a new instance of the Vehicle class

C:

To initialize attributes of the Vehicle class in the Car class

D:

To access superclass attributes directly

Answer: C

super().__init__(brand) is used to call the constructor of the superclass Vehicle and initialize the brand attribute.

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In Python, what is the purpose of the isinstance() function?

A:

To check if an object is an instance of a class

B:

To check if a class is a subclass of another class

C:

To check if two classes have the same attributes

D:

To check if an object has a specific attribute

Answer: A

The isinstance() function is used to check if an object is an instance of a particular class or a tuple of classes.

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In Python, what is the purpose of the @property decorator?

A:

To create a new instance of the class

B:

To define a method that can be accessed like an attribute

C:

To access class attributes directly

D:

To define a method that can be accessed as a read-only attribute

Answer: D

The @property decorator is used to define a method that can be accessed as a read-only attribute, providing a getter method.

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Consider the following code:

class Animal:
    def __init__(self, species):
        self.species = species

class Cat(Animal):
    def __init__(self, name, species):
        super().__init__(species)
        self.name = name

What is the primary purpose of using super().__init__(species) in the Cat class constructor?

A:

To call the constructor of the Cat class

B:

To create a new instance of the Animal class

C:

To initialize attributes of the Animal class in the Cat class

D:

To access superclass attributes directly

Answer: C

super().__init__(species) is used to call the constructor of the superclass Animal and initialize the species attribute.

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Questions for: Inheritance