_starbucks_symbols ) if include_kfc : symbols. markers = symbols def _generate_symbols ( self, include_starbucks, include_kfc ): ''' Generate the list of symbols to includs ''' symbols = if include_starbucks : symbols. _generate_symbols ( include_starbucks, include_kfc ) # Update the layer with the new symbols: self. It then updates the symbol layer with the new symbol list. VBox ( ) return controls def _on_controls_change ( self, obj ): ''' Called when the checkboxes change This method builds the list of symbols to include on the map, based on the current checkbox values. _on_controls_change, names = 'value' ) controls = widgets. _on_controls_change, names = 'value' ) self. Checkbox ( value = initial_include_kfc, description = 'KFC' ) self.

Checkbox ( value = initial_include_starbucks, description = 'Starbucks' ) self. _symbol_layer ) return fig def _render_controls ( self, initial_include_starbucks, initial_include_kfc ): ''' Render the checkboxes ''' self. Text ( description = 'Address: ', disabled = True, layout = ) symbols = self. For each marker, we use `geopy` to find the nearest address to that marker, and write that address in a text box. configure ( api_key = API_KEY ) class ReverseGeocoder ( object ): ''' Jupyter widget for finding addresses. Import ipywidgets as widgets import geopy import gmaps API_KEY = 'AIz.' gmaps.

Python gmaps