code: def __call__(self, data):
      data.setdefault(self.name, self.value)
  
      return data
  
imports: from dataclasses import dataclass
  from typing import Any, Dict, List, Type
  from gluonts import itertools
label_desc: Use image node_id 1 for calling the SetDefault obj's underlying member method code with example usage: obj.__call__(data) and returns: data