code: def _binaryop(
      self, other: ColumnBinaryOperand, op: str
  ) -> ColumnBase:
      # Lists only support __add__, which concatenates lists.
      reflect, op = self._check_reflected_op(op)
      other = self._wrap_binop_normalization(other)
      if other is NotImplemented:
          return NotImplemented
      if isinstance(other.dtype, ListDtype):
          if op == "__add__":
              return concatenate_rows([self, other])
          else:
              raise NotImplementedError(
                  "Lists concatenation for this operation is not yet"
                  "supported"
              )
      else:
          raise TypeError("can only concatenate list to list")
  
imports: from __future__ import annotations
  from functools import cached_property
  from typing import List, Optional, Sequence, Tuple, Union
  import numpy
  import pyarrow
  from typing_extensions import Self
  import cudf
  from cudf._lib.copying import segmented_gather
  from cudf._lib.lists import concatenate_list_elements, concatenate_rows, contains_scalar, count_elements, distinct, extract_element_column, extract_element_scalar, index_of_column, index_of_scalar, sort_lists
  from cudf._lib.strings.convert.convert_lists import format_list_column
  from cudf._lib.types import size_type_dtype
  from cudf._typing import ColumnBinaryOperand, ColumnLike, Dtype, ScalarLike
  from cudf.api.types import _is_non_decimal_numeric_dtype, is_scalar
  from cudf.core.column import ColumnBase, as_column, column
  from cudf.core.column.methods import ColumnMethods, ParentType
  from cudf.core.dtypes import ListDtype
  from cudf.core.missing import NA
label_desc: Use image node_id 5 for calling the ListColumn obj's underlying member method code with example usage: obj._binaryop(other, op) and returns: NotImplemented, concatenate_rows