#Python

Veröffentlicht am: 19 Juni 2025
auf dem Kanal: ♥Python♥

Instance variables in Python are variables that are unique to each instance (object) of a class. They store data or state specific to an individual object and are not shared among other instances of the same class.
Key characteristics of instance variables:
Ownership:
They are "owned" by instances of the class, meaning each object has its own separate copy of these variables.
Definition:
Instance variables are typically defined and initialized within the class's constructor method, __init__(self, ...), using the self keyword. The self parameter refers to the current instance of the class.
Uniqueness:
The value of an instance variable can be different for different instances of the same class. Modifying an instance variable in one object does not affect the corresponding instance variable in another object.
Scope:
They have instance-level scope, meaning they are accessible only within the specific instance to which they belong.
Access and Modification:
Instance variables can be accessed and modified within the class's methods using self.variable_name and can also be accessed from outside the class by using object_name.variable_name.
In this example, name and breed are instance variables. dog1 and dog2 each have their own independent name and breed values. Changes to dog1.name do not impact dog2.name.

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