code: def insert(self, index: int, value: Sequence["CellT"]) -> None:
      for val, col in self._iter_col_row(value):
          col.insert(index, val)
  
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 12 for calling the TabularData obj's underlying member method code with example usage: obj.insert(index, value) without return types