class and object in python program
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in this tutorial, we'll explore the concepts of classes and objects in python programming. classes and objects are fundamental concepts in object-oriented programming (oop) and are used to model real-world entities and their behaviors in a program.
class: a class is a blueprint for creating objects. it defines the properties (attributes) and behaviors (methods) that objects of the class will have.
object: an object is an instance of a class. it is a concrete realization of the class blueprint, with its own unique state and behavior.
let's imagine we are building a program to model different shapes. we'll start by creating a shape class and then create specific shape objects like rectangle and circle.
in this example:
now, let's create objects of the shape class.
in this code:
now, let's create subclasses rectangle and circle which inherit from the shape class.
in this example:
now we have objects rectangle and circle with specific properties for each shape.
here, we access the attributes (color, width, height, radius) and call the methods (area(), perimeter()) of the objects to get information about each shape.
in this tutorial, we've covered the basics of classes and objects in python. we've learned how to define a class, create objects of that class, use inheritance to create subclasses, and access attributes and methods of objects. classes and objects are powerful tools for organizing and modeling complex systems in python programs.
chatgpt
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