ExamAdept

What is the purpose of the @property decorator?

A:

To define a class property

B:

To create a new instance of a class

C:

To access class attributes directly

D:

To override a method in the superclass

Answer: A

The @property decorator is used to define a property in a class, allowing the use of the property like an attribute.

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What is the purpose of the __slots__ attribute in a Python class?

A:

To define class attributes

B:

To create a new instance of the class

C:

To restrict the attributes that can be dynamically added to instances

D:

To access superclass attributes directly

Answer: C

The __slots__ attribute restricts the attributes that can be dynamically added to instances, improving memory efficiency.

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How does Python handle circular dependencies in the context of inheritance?

A:

It automatically resolves circular dependencies

B:

It raises an error, and the program crashes

C:

It requires explicit handling using additional syntax

D:

Circular dependencies are not allowed in Python

Answer: C

Python requires explicit handling of circular dependencies using techniques like late imports or rearranging code.

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In Python, what is the purpose of the __init_subclass__() method?

A:

To initialize the attributes of a subclass

B:

To create a new instance of a subclass

C:

To initialize attributes common to all subclasses

D:

To customize the creation of subclasses

Answer: D

The __init_subclass__() method is called when a new subclass is created, allowing customization of the creation process.

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What is the purpose of the __mro__ attribute?

A:

To access superclass attributes

B:

To check if an object is an instance of a specific class

C:

To determine the method resolution order of a class

D:

To create a new instance of the class

Answer: C

The __mro__ attribute is a tuple containing the method resolution order of a class, showing the order in which base classes are searched when resolving methods.

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Questions for: Inheritance