account = BankAccount("1234567890", 1000) print(account.get_balance()) # Output: 1000 account.deposit(500) print(account.get_balance()) # Output: 1500
If you want to continue refining your architectural patterns, let me know:
👉 Use slots only when profiling shows object overhead is a bottleneck (e.g., in large data models or game entities).
Single inheritance, method overriding, and the super() function. python 3 deep dive part 4 oop high quality
Python 3: Deep Dive (Part 4 - OOP) Rating: 4.9 out of 54.9 (3,780 ratings) 38,225 students.
Reviewers frequently note it as the most comprehensive Python OOP course available, focusing on why things work rather than just how .
class Report: def __init__(self, formatter, storage): self.formatter = formatter self.storage = storage def generate(self): data = self.storage.fetch() return self.formatter.format(data) account = BankAccount("1234567890", 1000) print(account
.LoaderPlugin'>, <class ' main .SavePlugin'>]
class SingletonMeta(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 DatabaseConnection(metaclass=SingletonMeta): def __init__(self): self.connected = True Use code with caution. Factory Pattern Using Class Methods
def validate(self, value): raise NotImplementedError Reviewers frequently note it as the most comprehensive
print(D().f()) # DBCA (not DB CA or D A)
def __str__(self): return f"(self.x, self.y)"
from abc import ABC, abstractmethod class DatabaseConnector(ABC): @abstractmethod def connect(self): """Must be implemented by subclasses.""" pass class PostgreSQLConnector(DatabaseConnector): def connect(self): print("Connected to PostgreSQL.") Use code with caution. Key Takeaways for High-Quality Code