code: def getTileOrigin(self, tileX, tileY, level):
          '''
          Returns the upper-left hand corner lat/lng for a tile
          '''
          pixelX, pixelY = self.convertTileXYToPixelXY(tileX, tileY)
          lng, lat = self.convertPixelXYToLngLat(pixelX, pixelY, level)
          return (lat, lngf getTileOrigin(self, tileX, tileY, level):
          '''
          Returns the upper-left hand corner lat/lng for a tile
          '''
          pixelX, pixelY = self.convertTileXYToPixelXY(tileX, tileY)
          lng, lat = self.convertPixelXYToLngLat(pixelX, pixelY, level)
          return (lat, lng)
docs: Returns the upper-left hand corner lat/lng for a tile