code: def duplicate_removal(src_list):
      name_scope = set()
      dest_list = []
      for item in src_list:
          if item in name_scope:
              continue
          name_scope.add(item)
          dest_list.append(item)
      return dest_list
  
label_desc: Use image node_id 1 for calling a global function with example usage: duplicate_removal(src_list) and returns: dest_list