code: def list_output_formats(type_list):
      
      out_format_list = []
      for type_item in type_list:
          item_format = default_output_format(type_item)
          out_format_list.append(item_format)
  
      return out_format_list
docs: This function takes a list of type names and returns a list of
      format specifiers for list-directed output of values of those types.