QUESTION 15

1. What is the __str__ method used for?

   	a.	It is used to determine if a class attribute is a string.
   	b.	It is used to initiate string values during instantiation.
   	c.	It builds and returns a string representation of an object's state.
   	d.	It converts a string attribute within a class.

1 points

QUESTION 16

1. What method is known as a class's constructor, because it is run automatically when a user instantiates the class?

   	a.	__start__
   	b.	__init__
   	c.	__build__
   	d.	__main__

1 points

QUESTION 17

1. Unlike other object-oriented languages, Python does not support polymorphic methods.

   True

   False

1 points

QUESTION 18

1. What concept within object-oriented programming involves the restriction of the manipulation of an object's state by external users to a set of method calls?

   	a.	polymorphism
   	b.	data encapsulation
   	c.	inheritance
   	d.	data modeling

1 points

QUESTION 19

1. The str method is a good example of a polymorphic method that appears throughout Python's system of classes.

   True

   False

1 points

QUESTION 20

1. The attributes of an object are represented as what type of variables?

   	a.	self variables
   	b.	instance variables
   	c.	substance variables
   	d.	state variables