code: def project(self, *col_names: str) -> None:
      self.drop(*(set(self._keys) - set(col_names)))
      self._keys = list(col_names)
  
imports: from collections import abc
  from itertools import chain, repeat, zip_longest
  from operator import itemgetter
  from typing import TYPE_CHECKING, Any, Dict, ItemsView, Iterable, Iterator, List, Mapping, MutableSequence, Optional, Sequence, Set, Tuple, Union, overload
  from funcy import reraise
label_desc: Use image node_id 24 for calling the TabularData obj's underlying member method code with example usage: obj.project() without return types