Kursusindhold
Object-Oriented Programming in Python
Object-Oriented Programming in Python
1. Classes and Objects
2. Encapsulation
3. Inheritance
4. Polymorphism
Objects
Inside the class
Each class contains two kinds of information:
- Attributes;
- Methods.
An attribute is data that describes the object (like the length of the tail, the number of legs, hair color, etc.).
A method is something that an object can do. Methods can change or not change the attributes(cat can eat and its weight increases or cat can sleep, and nothing happens).
Object
An object is one of the possible representations of the class. Creating a new class object is called instantiating a new object.
Here we create a Cat
class:
class Cat: pass
Here we create a unique cat
object based on our Cat
class:
# Creating a class class Cat: pass # Instantiating an object cat = Cat() print(cat)
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Sektion 1. Kapitel 2