ExamAdept

How does Python handle name mangling for attributes in a class?

A:

All attributes are automatically private

B:

Attributes with a single leading underscore are considered private

C:

Attributes with a double leading underscore undergo name mangling

D:

Name mangling is not supported in Python

Answer: C

Attributes with a double leading underscore in Python undergo name mangling, which involves adding a prefix based on the class name to avoid naming conflicts.

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What is a metaclass?

A:

A class that inherits from multiple classes

B:

A class that defines class attributes

C:

A class used to create and customize class instances

D:

A class that overrides methods in its superclass

Answer: C

A metaclass in Python is a class used to create and customize the behavior of class instances, allowing modification of class creation and initialization.

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

A:

To define class attributes

B:

To create a new instance of the class

C:

To customize attribute access for all attributes

D:

To access superclass attributes directly

Answer: C

The __getattribute__() method is called for all attribute access, providing a way to customize attribute access behavior.

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What is the purpose of the __getattr__() method?

A:

To define class attributes

B:

To create a new instance of the class

C:

To customize attribute access for undefined attributes

D:

To access superclass attributes directly

Answer: C

The __getattr__() method is called when attempting to access an undefined attribute, allowing customization of attribute access.

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What is the purpose of the __del__() method in Python classes?

A:

To delete a class instance

B:

To define class attributes

C:

To create a new instance of the class

D:

To access superclass attributes directly

Answer: A

The __del__() method is called when an instance of a class is about to be destroyed, providing an opportunity for cleanup operations.

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Questions for: Inheritance