Object-oriented programming Quiz

// question 1 of 10

What is the Method Resolution Order?

The order Python searches for a method across parent classes The order methods are defined inside a class The order objects are created from a class

// question 2 of 10

What is the correct way to represent an empty class that will be filled later?

class MyClass: pass class MyClass: return class MyClass: None

// question 3 of 10

What is object composition preferred over?

Encapsulation when data needs to be public Inheritance when the relationship is has-a rather than is-a Polymorphism when types are known in advance

// question 4 of 10

What does __contains__ define?

The way the object is indexed The behavior of the in operator on the object The way the object iterates

// question 5 of 10

What does staticmethod decorator do?

Creates a method that belongs to the class but receives neither self nor cls Creates a method that cannot be overridden Creates a method shared by all instances

// question 6 of 10

What does vars(obj) return?

A list of the object's methods The class attributes shared by all instances A dictionary of the object's instance attributes

// question 7 of 10

What is composition in OOP?

One class containing an instance of another class as an attribute A method that calls another method A class inheriting from two parents

// question 8 of 10

What is loose coupling preferred in OOP?

Classes interact through well-defined interfaces rather than internal details Classes share all attributes directly Classes never call methods on each other

// question 9 of 10

What is the output of print(type(Animal()))?

The memory address of the object The string representation of Animal The class type of the object

// question 10 of 10

What does @property do in Python?

Prevents an attribute from being modified Allows a method to be accessed like an attribute Makes an attribute private

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