Encapsulation:

• It combines the data and code into a single object.

• It helps in restricting access to the methods.

• This helps in preventing the data from being modified due to accident.

• The object’s variable is not directly accessible.

• Underscore helps in preventing the data from being accessed directly.

The encapsulation rules in python can be summarized as follows:

Public method It is accessible from anywhere.
Public variables It can be accessed from anywhere.
Private method It can be accessed only in their own class.
Private method It is accessible only in their class or method.

• It protects the data from being tampered. By declaring the data field as private, direct modifications of properties are prevented.

• It makes the class easy to maintain and reduces the errors...

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Chapter 10, Problem 7TF

Chapter 10, Problem 2SA

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Chapter 10 Solutions

Starting Out with Python plus MyProgrammingLab with Pearson eText -- Access Card Package (3rd Edition)

Ch. 10.2 - You hear someone make the following comment: "A...Ch. 10.2 - In this chapter, we use the metaphor of a cookie...Ch. 10.2 - What is the purpose of the _ _init_ _ method? When...Ch. 10.2 - Prob. 8CP Ch. 10.2 - In a Python class, how do you hide an attribute...Ch. 10.2 - What is the purpose of the _ _str_ _ method?Ch. 10.2 - Prob. 11CP Ch. 10.3 - What is an instance attribute?Ch. 10.3 - Prob. 13CP Ch. 10.3 - What is an accessor method? What is a mutator...

Ch. 10.4 - What is an object?Ch. 10.4 - Prob. 2CP Ch. 10.4 - Why is an object's internal data usually hidden...Ch. 10.4 - What are public methods? What are private methods?Ch. 10.4 - Prob. 15CP Ch. 10.4 - Prob. 16CP Ch. 10.4 - When designing an object-oriented application, who...Ch. 10.4 - How do you identify the potential classes in a...Ch. 10.4 - What are a classs responsibilities?Ch. 10.4 - What two question should you ask to determine a...Ch. 10.4 - Will all of a class's action always be directly...Ch. 10 - The _______ programming practice is centered on...Ch. 10 - The ___________ programming practice is centered...Ch. 10 - A(n) _____ is a component of a class that...Ch. 10 - Prob. 4MC Ch. 10 - By doing this, you can hide a classs attribute...Ch. 10 - Prob. 6MC Ch. 10 - A(n) ________ method stores a value in a data...Ch. 10 - Prob. 8MC Ch. 10 - If a class has a method named _ _str_ _ , which of...Ch. 10 - A set of standard diagrams for graphically...Ch. 10 - In one approach to identifying the classes in a...Ch. 10 - Prob. 12MC Ch. 10 - The practice of procedural programming is centered...Ch. 10 - Object reusability has been a factor in the...Ch. 10 - It is a common practice in object-oriented...Ch. 10 - Prob. 4TF Ch. 10 - Starting an attribute name with two underscores...Ch. 10 - You cannot directly call the _ _ str _ _ method.Ch. 10 - One way to find the classes needed for an...Ch. 10 - Prob. 1SA Ch. 10 - Why should an object's data attributes be hidden...Ch. 10 - What is the difference between a class and an...Ch. 10 - The following statement calls an object's method....Ch. 10 - Prob. 5SA Ch. 10 - In a Python class, how do you hide an attribute...Ch. 10 - Prob. 7SA Ch. 10 - Suppose my_car is the name of a variable that...Ch. 10 - Prob. 2AW Ch. 10 - Look at the following description of a problem...Ch. 10 - Pet Class The Pet class Write a class named Pet,...Ch. 10 - Car Class Write a class named Car that has the...Ch. 10 - Personal Information Class Design a class that...Ch. 10 - Employee Class Write a class named Employee that...Ch. 10 - RetailItem Class Write a class named RetailItem...Ch. 10 - Employee Management System This exercise assumes...Ch. 10 - Cash Register This exercise assumes you have...Ch. 10 - Trivia Game In this programming exercise, you will...

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Public method	It is accessible from anywhere.
Public variables	It can be accessed from anywhere.
Private method	It can be accessed only in their own class.
Private method	It is accessible only in their class or method.

Solution Summary: The author summarizes the encapsulation rules in python as follows: Public method, public variables, private methods, and underscore.

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