code: def encode_json_body(data):
      
      # support for StringIO / file - like objects
      if hasattr(data, "read"):
          return data
  
      response.content_type = "application/json; charset=utf-8"
  
      return json.dumps(
          data,
          indent=4,
          separators=(',', ': ')
      )
docs: Return prettified JSON `data`, set ``response.content_type`` to
      ``application/json; charset=utf-8``.
  
      Args:
          data (any): Any basic python data structure.
  
      Returns:
          str: Data converted to prettified JSON.