“Защищенный против частного питона” Ответ

Защищенный против частного питона

Protected : 
protected members of a class can be accessed by other members within 
the class and are also available to their subclasses.
Add a prefix _ (single underscore)

Private : 
The private members of a class are only accessible within the class.

 In Python, a private member can be defined by using a prefix 
  __ (double underscore).