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

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)