code: def helper_options_to_list_strings(config):
      cmd_str_list = []
  
      for name, config_group in config.items():
          for group_name, options in config_group:
              for option in options:
                  temp_str = str(option)
                  if temp_str:
                      cmd_str_list.append(temp_str)
  
      return cmd_str_list
  
imports: from vowpalwabbit import pyvw
  import vowpalwabbit
label_desc: Use image node_id 1 for calling a global function with example usage: helper_options_to_list_strings(config) and returns: cmd_str_list