text: class Shop:
      def __init__(self, shop_id, name, email=None, phone_number=None, web_site=None, announces=None):
          self.id = shop_id
          self.name = name
          self.email = email
          self.phone_number = phone_number
          self.web_site = web_site
          self.announces = [] if announces is None else announces
  
      def __eq__(self, other):
          if isinstance(other, Shop):
              return self.id == other.id
          return False
  