In Python Code Page

def safe_divide(a, b): try: result = a / b except ZeroDivisionError: print("Cannot divide by zero") return None except TypeError: print("Please provide numbers") return None else: print("Division successful") return result finally: print("Execution finished") # always runs print(safe_divide(10, 2)) # 5.0 Always use context managers for resources.

def greet(name: str, excited: bool = False) -> str: """Return a greeting.""" message = f"Hello, name" return message.upper() + "!!!" if excited else message print(greet("Maria", excited=True)) # HELLO, MARIA!!! def log(level, *messages, **metadata): print(f"[level.upper()]", *messages, metadata) log("info", "User login", "IP 192.168.1.1", user="alice") [INFO] User login IP 192.168.1.1 'user': 'alice' 4. Classes – Modeling in Python Code Python classes are straightforward. No need for getters/setters (use @property when needed). in python code

@classmethod def total_accounts(cls) -> int: return cls._total_accounts acc = BankAccount("Elena", 1000) acc.deposit(500) print(acc.balance) # 1500 print(BankAccount.total_accounts()) # 1 5. Error Handling – Fail Gracefully try/except/else/finally – the else runs only if no exception occurred. def safe_divide(a, b): try: result = a /