docs: async def find(self, *tracking_numbers: str) -> list:
          """Get tracking info for one or more tracking numbers."""
          data = {'data': [{'num': num} for num in tracking_numbers]}
          tracking_resp = await self._request('post', API_URL_TRACK, json=data)
  
          print(tracking_resp)
  
          if not tracking_resp.get('dat'):
              raise InvalidTrackingNumberError('Invalid data')
  
          packages = []
          for info in tracking_resp['dat']:
              package_info = info.get('track', {})
  
              if not package_info:
                  continue
  
              kwargs = {
                  'destination_country': package_info.get('c'),
                  'info_text': package_info.get('z0', {}).get('z'),
                  'location': package_info.get('z0', {}).get('c'),
                  'origin_country': package_info.get('b'),
                  'package_type': package_info.get('d', 0),
                  'status': package_info.get('e', 0),
                  'tracking_info_language': package_info.get('ln1', 'Unknown')
              }
              packages.append(Package(info['no'], **kwargs))
          return packages