1. Use Data Classes To Automatically Generate Special Methods

2. Use Abstract Classes To Define Common Interfaces

3. Separate Class-Level and Instance-Level Attributes

4. Separate Public, Protected and Private Attributes

5. Define Mixin Classes through Multiple Inheritance  

6. Use @property Decorator To Control Attributes Precisely

7. Use Class Methods in Classes

8. Use Static Methods in Classes

9. Separate __new__ and __init__: Two Different Python Constructors

10. Use __slots__ for Better Attributes Control