Capital One

  1.  
    Design a simple storage system
  2.  
    Abstraction
  3.  
    Decorator
  4.  
    Polymorphism
  5.  
    What is encapsulation?
  6.  
    What is inheritance?
  7.  
    What is a class?
Answer Key
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Capital One (Answer Key)

  1.  
    Design a simple storage system
  2.  
    Abstraction
    Abstraction hides implementation details and shows only the essential features of the object. In Python, this can be achieved using abstract base classes (ABC) from the abc module.
  3.  
    Decorator
    Decorators are a design pattern in Python that allows modification of functions or methods without changing their actual code. They are often used for cross-cutting concerns like logging, authentication, or timing.
  4.  
    Polymorphism
    Polymorphism allows objects of different classes to be treated as objects of a common super class. It means "many forms" and is typically achieved through method overriding or operator overloading.
  5.  
    What is encapsulation?
    Encapsulation is the concept of bundling data (variables) and methods (functions) that operate on the data into a single unit, typically a class, and restricting direct access to some of an object’s components. This means that the internal representation
  6.  
    What is inheritance?
    Inheritance is an object-oriented programming principle where a new class (child class or subclass) derives properties and behaviors (methods) from an existing class (parent class or superclass). The child class can inherit, override, or extend the functi
  7.  
    What is a class?
    A class is a blueprint for creating objects (instances). It encapsulates data (attributes) and functions (methods) that work on the data. In Python, classes are defined using the class keyword and are the foundation of object-oriented programming.

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