code: def create_color_stops(breaks, colors='RdYlGn', color_ramps=color_ramps):
      
  
      num_breaks = len(breaks)
      stops = []
  
      if isinstance(colors, list):
          # Check if colors contain a list of color values
          if len(colors) == 0 or len(colors) != num_breaks:
              raise ValueError(
                  'custom color list must be of same length as breaks list')
  
          for color in colors:
              # Check if color is valid string
              try:
                  Colour(color)
              except:
                  raise ValueError(
                      'The color code {color} is in the wrong format'.format(color=color))
  
          for i, b in enumerate(breaks):
              stops.append([b, colors[i]])
  
      else:
          if colors not in color_ramps.keys():
              raise ValueError('color does not exist in colorBrewer!')
          else:
  
              try:
                  ramp = color_ramps[colors][num_breaks]
              except KeyError:
                  raise ValueError("Color ramp {} does not have a {} breaks".format(
                      colors, num_breaks))
  
              for i, b in enumerate(breaks):
                  stops.append([b, ramp[i]])
  
      return stops
docs: Convert a list of breaks into color stops using colors from colorBrewer
      or a custom list of color values in RGB, RGBA, HSL, CSS text, or HEX format.
      See www.colorbrewer2.org for a list of color options to pass