What is the purpose of the @abstractmethod decorator in Python?

Which module must be imported to use the @abstractmethod decorator in Python?

A

abc

B

decorators

C

abstract

D

abstractmethod

What is the role of the @abstractmethod decorator in Python?

A

Define abstract classes

B

Define instance methods

C

Mark a method as abstract

D

Control method access

What is the role of the @abstractmethod decorator in advanced OOP?

A

To create abstract classes

B

To prevent method overriding

C

To indicate that a method must be overridden in subclasses

D

To define a method as static

What is the purpose of the @staticmethod decorator compared to the @classmethod decorator?

A

Operate on class-level data

B

Operate on instance data

C

Decorate class methods

D

Create class instances

What is the purpose of the @classmethod decorator compared to the @staticmethod decorator?

A

Operate on class-level data

B

Operate on instance data

C

Decorate instance methods

D

Operate on class methods

In the following Python code, which function is the decorator?

def mk(x): def mk1(): print("Decorated") x() return mk1def mk2(): print("Ordinary")p = mk(mk2)p()

A

p()

B

mk()

C

mk1()

D

mk2()

What is the difference between a class-based decorator and a function-based decorator?

A

Class-based decorators use fewer resources

B

Class-based decorators can't accept arguments

C

Function-based decorators are more flexible

D

Function-based decorators are slower

What is the purpose of the @wraps decorator in Python's functools module?

A

Preserve original function's metadata

B

Create wrappers for functions

C

Decorate GUI elements

D

Modify function arguments

What is the purpose of the @staticmethod decorator in Python classes?

A

It defines a method that belongs to the class rather than an instance

B

It defines a static attribute

C

It defines a global function

D

It defines a constructor

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

A

Define class methods

B

Define static methods

C

Modify instance methods

D

Decorate class variables

What is the purpose of the @abstractmethod decorator in Python?

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