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0x0A. Python - Inheritance

Resources:books:

Read or watch:

Learning Objectives:bulb:

What you should learn from this project:

  • Why Python programming is awesome
  • What is a superclass, baseclass or parentclass
  • What is a subclass
  • How to list all attributes and methods of a class or instance
  • When can an instance have new attributes
  • How to inherit class from another
  • How to define a class with multiple base classes
  • What is the default class every class inherit from
  • How to override a method or attribute inherited from the base class
  • Which attributes or methods are available by heritage to subclasses
  • What is the purpose of inheritance
  • What are, when and how to use isinstance, issubclass, type and super built-in functions

0. Lookup

  • Write a function that returns the list of available attributes and methods of an object:

1. My list

  • Write a class MyList that inherits from list:

2. Exact same object

  • Write a function that returns True if the object is exactly an instance of the specified class ; otherwise False.

3. Same class or inherit from

  • Write a function that returns True if the object is an instance of, or if the object is an instance of a class that inherited from, the specified class ; otherwise False.

4. Only sub class of

  • Write a function that returns True if the object is an instance of a class that inherited (directly or indirectly) from the specified class ; otherwise False.

5. Geometry module

  • Write an empty class BaseGeometry.

6. Improve Geometry

  • Write a class BaseGeometry (based on 5-base_geometry.py).

7. Integer validator

  • Write a class BaseGeometry (based on 6-base_geometry.py).

8. Rectangle

  • Write a class Rectangle that inherits from BaseGeometry (7-base_geometry.py).

9. Full rectangle

  • Write a class Rectangle that inherits from BaseGeometry (7-base_geometry.py). (task based on 8-rectangle.py)

10. Square #1

  • Write a class Square that inherits from Rectangle (9-rectangle.py):

11. Square #2

  • Write a class Square that inherits from Rectangle (9-rectangle.py). (task based on 10-square.py).

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