text: import geopandas as gpd
  
  all_addresses = ['2224 Shattuck Avenue Berkeley CA',
                   '1799 Solano Avenue Berkeley CA',
                   '1444 Shattuck Place Berkeley CA',
                   '3001 Telegraph Avenue Berkeley CA',
                   '2128 Oxford Street Berkeley CA']
  
  def geocode(address, provider="nominatim"):
      try:
          my_index = all_addresses.index(address)
          gdf = gpd.read_file("../input/geospatial-learn-course-data/ex4_files/ex4_files/add_{}.shp".format(my_index))
          return gdf
      except:
          return None
  