code: def get_color(properties):
      key = str(int(properties["STATE"])) + properties["COUNTY"]
      if key in unemployment:
          return cmap.to_color(unemployment.get(key), 0.15, "lin")
      else:
          return [0, 0, 0, 0]
  
imports: import geoplotlib
  from geoplotlib.utils import BoundingBox
  from geoplotlib.colors import ColorMap
  import json
label_desc: Use image node_id 1 for calling a global function with example usage: get_color(properties) and returns: cmap, list