code: def labels(data, label_column, color=None, font_name=FONT_NAME, 
             font_size=14, anchor_x='left', anchor_y='top'):
      
      from geoplotlib.layers import LabelsLayer
      _global_config.layers.append(LabelsLayer(data, label_column, color, font_name, 
             font_size, anchor_x, anchor_y))
docs: Draw a text label for each sample
  
      :param data: data access object
      :param label_column: column in the data access object where the labels text is stored
      :param color: color
      :param font_name: font name
      :param font_size: font size
      :param anchor_x: anchor x
      :param anchor_y: anchor y