text: """
  Represents a basic authentication system
  storing a global CreditCard object.
  """
  LOGGED_IN_ACCOUNT = None
  
  
  def get_logged_in_account():
      return LOGGED_IN_ACCOUNT
  
  
  def set_logged_in_account(card):
      global LOGGED_IN_ACCOUNT
      LOGGED_IN_ACCOUNT = card
  