Study notes (23): zero-base mastering Python entry to actual combat-class definition object, self points to itself (1)

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Class: Abstraction of common affairs.

Common attributes and methods of the created objects.

Keywords: class

class class name (first letter capitalized)

Indent 4 spaces

Initialization method:

 def __init__(self (must write),)

Do not write return.

Define common methods:

def method name (self (must write))

A class can specifically generate a certain object. This behavior is called instantiation.

The function of the initialization method is to execute this method once the instance is created.

Object: Represents a specific matter in the objective world space, and has basic elements in the solution space of the software system.

Object-oriented design: It is a paradigm of program design and a method of program development.