code: def basic_keys():
      """Return keys of a simple configuration"""
      keys = OrderedDict()
  
      keys["_pos_0"] = "_pos_0"
      keys["_pos_1"] = "_pos_1"
      keys["_pos_2"] = "_pos_2"
      keys["_pos_3"] = "_pos_3"
      keys["_pos_4"] = "_pos_4"
      keys["with"] = "--with"
      keys["and"] = "--and"
      keys["plus"] = "--plus"
      keys["booleans"] = "--booleans"
      keys["equal"] = "--equal"
  
      return keys
  
file_path: orion/tests/unittests/core/io/test_cmdline_parser.py
imports: import os
  from collections import OrderedDict
  import pytest
  from orion.core.io.cmdline_parser import CmdlineParser
label_desc: Use image node_id 2 for calling a global function with example usage: basic_keys() and returns: keys