code: def _add_field_to_out(json, field, out):
      if _is_composed_key(field):
          key, value = _get_key_value_composed(field)
          _add_field_to_out(json[key], value, out)
      else:
          out += [json[field]]
  
file_path: nltk/nltk/twitter/common.py
imports: import csv
  import gzip
  import json
  from nltk.internals import deprecated
label_desc: Use image node_id 2 for calling a global function with example usage: _add_field_to_out(json, field, out) without return types