POC Object-Oriented Programming in Python 4

Question 1

What is multiple inheritance in Python?

Accepted Answer

A class inheriting attributes and methods from more than one parent class

Answer

Multiple inheritance allows a class to inherit from several parent classes, e.g., `class C(A, B):`.

Question 2

What is the MRO (Method Resolution Order) used for?

Accepted Answer

Determining the order in which base classes are searched when looking up a method

Answer

MRO defines the lookup order for methods and attributes in class hierarchies, especially important in multiple inheritance.

Question 3

What does the `@property` decorator enable?

Accepted Answer

Accessing a method as if it were an attribute (getter)

Answer

`@property` lets you define a method that is accessed like an attribute, enabling controlled access to private data.

Question 4

Which of the following correctly defines a class method?

Accepted Answer

@classmethod
def my_method(cls):

Answer

A class method is decorated with `@classmethod` and takes `cls` as its first parameter, referring to the class itself.

Question 5

What is encapsulation in OOP?

Accepted Answer

Bundling data and methods that operate on that data within a class, restricting direct outside access

Answer

Encapsulation hides internal state and exposes only necessary interfaces, protecting object integrity.

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