class_docstr: This is a wrapper class for dict objects so that values of which can be
  accessed as attributes.
  
  Args:
      config (dict): The dict object to be wrapped.
code: def update(self, config):
      assert isinstance(
          config, (Config, dict)
      ), "can only update dictionary or Config objects."
      for k, v in config.items():
          self._add_item(k, v)
      return self
  
file_path: ColossalAI/colossalai/context/config.py
imports: import inspect
  import sys
  from importlib.machinery import SourceFileLoader
  from pathlib import Path
  from colossalai.logging import get_dist_logger
label_desc: Use image node_id 6 for calling the Config obj's underlying member method code with example usage: obj.update(config) and returns: self