code: def get_palette(palette_name):
      """
      Returns a specific palette linked to the input palette_name
      Parameters
      ----------
      palette_name : str
          name of the palette
      Returns
      -------
      dict:
          contains colors of one palette
      """
      if palette_name is None:
          palette_name = list(colors_loading().keys())[
              0
          ]  # Default palette name
      return select_palette(colors_loading(), palette_name)
  
file_path: shapash/shapash/style/style_utils.py
imports: import json
  import os
  from shapash.utils.utils import convert_string_to_int_keys
label_desc: Use image node_id 5 for calling a global function with example usage: get_palette(palette_name) and returns: select_palette