code: def items(self) -> ItemsView[str, Column]:
      projection = {k: self.column(k) for k in self.keys()}
      return projection.items()
  
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 7 for calling the TabularData obj's underlying member method code with example usage: obj.items() and returns: projection