What will be the output of the following Python code?

class Demo:
     def __init__(self):
         self.a = 1
         self.__b = 1
 
     def get(self):
         return self.__b
 
obj = Demo()
print(obj.get())

A. To model real-world entities and their interactions B. To maximize efficiency C. To use fewer lines of code D. To create simple programs

A. A specific data type B. A built-in function C. An instance of a class D. A variable in Python

A. A blueprint for creating objects B. A built-in function C. A variable in Python D. A specific data type

A. Polymorphism B. Abstraction C. Inheritance D. Encapsulation