Implement Python design patterns 

python-design-patterns
	- SOLID Principles
	- Custom Context Manager
	- Creational Patterns
	- Behavioural Patterns
	- Strctural Patterns
	- Generators
	- Decorators
	- Singleton class
	- Getter/Setter
	- Dataclasses
	- Enums
	- Comprehensions
	- Lambda Function
