docs: def GetElevation(self, LatLngSet, sensor = False):
          '''Get Elevation of input locations
          LatLngSet: An coordinate array will be converted to proper location format here
          
          Pls refer to the Google Maps Web API for the details of the remained parameters
          '''
          
          locations = []
          
          for [lat, lng] in LatLngSet:
              locations.append(str(lat) + "," + str(lng))
          
          locations = "|".join(locations)
          
          params = {
              'locations': locations,
              'sensor': str(sensor).lower()
          }
  
          if not self.premier:
              url = self.get_url(params)
          else:
              url = self.get_signed_url(params)
  
          return self.GetService_url(url)