code: def extend(self, values: Iterable[Sequence["CellT"]]) -> None:
      for row in values:
          self.append(row)
  
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 11 for calling the TabularData obj's underlying member method code with example usage: obj.extend(values) without return types