Chapter 14, Problem 1SA

Explanation of Solution

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.
• Object’s variable is not directly accessible.
• Underscore helps in preventing the data being accessed directly.

The encapsulation rules in python can be summarized as

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 tampering. By declaring the data field as private, direct modifications of properties is prevented...