EASY PYTHON Multiple Choice QUESTIONS

1a) What is the purpose of a constructor?

To specify the public interface

To identify the accessor and mutator methods

To define and initialize the instance variables of an object

To print the contents of an object

1b) An object is a(n) .

blueprint

variable

instance

1c) Which statement is NOT a description of encapsulation?

The act of hiding the implementation details

A collection of methods through which the objects of the class can be manipulated

Mechanism for restricting access to some of the object's components

Encapsulation refers to the combining of data and code into a single object.

1d) What is the purpose of an object's instance variables?

Store the data required for executing its methods

To provide access to the data of an object

To create variables with public visibility

1e) What is the purpose of a method?

To access the instance variables of the object on which it acts

Store the data for all objects created by the same class

Provide comments about the program implementation

1f) What is the purpose of the self parameter?

To create variables with public visibility

Store the data for all objects created by the same class

Refers to the object on which the method was invoked

1g) By doing this, you can hide a classs attribute from code outside the class.

avoid using the self parameter to create the attribute

begin the attributes name with two underscores

begin the name of the attribute with private_ _

begin the name of the attribute with the @ symbol

1h) A method that changes the object on which it operates is known as a(n):

Accessor

Interface

Mutator

Function