code: def _remove_keys(cls, parent_dict, paths):
          
  
          for path in paths:
              keys = cls._path_to_keys(path)
  
              # Traverse to the tip of the path
              child_dict = parent_dict
              for key in keys[:-1]:
                  child_dict = child_dict.get(key)
  
                  if child_dict is None:
                      break
  
              if child_dict is None:
                  continue
  
              # Remove the key
              if keys[-1] in child_dict:
                  child_dict.pop(keys[-1])
docs: Remove a list of keys from a dictionary.
  
          Keys are specified as a series of `.` separated paths for keys in child
          dictionaries, e.g 'parent_key.child_key.grandchild_key'.