Guide to Enhancing Core Competencies for Intermediate Python Developers
Guide to Enhancing Core Competencies for Intermediate Python Developers 1. In-Depth Analysis of Object-Oriented Programming 1.1 Type System and Metaclass Mechanism class MetaSingleton(type): _instances = {} def __call__(cls, *args, **kwargs): if cls not in cls._instances: cls._instances[cls] = super().__call__(*args, **kwargs) return cls._instances[cls] class DatabaseConnector(metaclass=MetaSingleton): def connect(self): # Implement database connection logic pass Technical Analysis: • Metaclass … Read more
