code: def orientation(self) -> Literal["horizontal", "vertical"]:
      if self.kwds.get("vert", True):
          return "vertical"
      else:
          return "horizontal"
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, Literal, NamedTuple
  import warnings
  from matplotlib.artist import setp
  import numpy
  from pandas._libs import lib
  from pandas.util._decorators import cache_readonly
  from pandas.util._exceptions import find_stack_level
  from pandas.core.dtypes.common import is_dict_like
  from pandas.core.dtypes.generic import ABCSeries
  from pandas.core.dtypes.missing import remove_na_arraylike
  import pandas
  import pandas.core.common
  from pandas.io.formats.printing import pprint_thing
  from pandas.plotting._matplotlib.core import LinePlot, MPLPlot
  from pandas.plotting._matplotlib.groupby import create_iter_data_given_by
  from pandas.plotting._matplotlib.style import get_standard_colors
  from pandas.plotting._matplotlib.tools import create_subplots, flatten_axes, maybe_adjust_figure
label_desc: Use image node_id 15 for calling the BoxPlot obj's underlying member method code with example usage: obj.orientation() and returns: str, str