Enums and Constants - Library Management

class BookFormat(Enum):
  HARDCOVER, PAPERBACK, AUDIO_BOOK, EBOOK, NEWSPAPER, MAGAZINE, JOURNAL = 1, 2, 3, 4, 5, 6, 7


class BookStatus(Enum):
  AVAILABLE, RESERVED, LOANED, LOST = 1, 2, 3, 4


class ReservationStatus(Enum):
  WAITING, PENDING, CANCELED, NONE = 1, 2, 3, 4


class AccountStatus(Enum):
  ACTIVE, CLOSED, CANCELED, BLACKLISTED, NONE = 1, 2, 3, 4, 5


class Address:
  def __init__(self, street, city, state, zip_code, country):
    self.__street_address = street
    self.__city = city
    self.__state = state
    self.__zip_code = zip_code
    self.__country = country


class Person(ABC):
  def __init__(self, name, address, email, phone):
    self.__name = name
    self.__address = address
    self.__email = email
    self.__phone = phone


class Constants:
  self.MAX_BOOKS_ISSUED_TO_A_USER = 5
  self.MAX_LENDING_DAYS = 10