code: def search(self):
          
          self.set_url()
          listings = []
          request = Request(debug=self._debug)
          url = self.get_url()
          soup = request.get(url)
          divs = soup.find_all("div", {"class": "box"})
          [listings.append(Listing(div, debug=self._debug)) for div in divs]
          return listings
docs: The search function returns an array of Listing objects.
          :return: Listing object