code: def validate_axisbelow(s):
      try:
          return validate_bool(s)
      except ValueError:
          if isinstance(s, str):
              if s == "line":
                  return "line"
      raise ValueError(
          f"{s!r} cannot be interpreted as" ' True, False, or "line"'
      )
  
imports: import ast
  from functools import lru_cache, reduce
  from numbers import Real
  import operator
  import os
  import re
  import numpy
  from matplotlib import _api, cbook
  from matplotlib.cbook import ls_mapper
  from matplotlib.colors import Colormap, is_color_like
  from matplotlib._fontconfig_pattern import parse_fontconfig_pattern
  from matplotlib._enums import JoinStyle, CapStyle
  from cycler import Cycler, cycler
label_desc: Use image node_id 5 for calling a global function with example usage: validate_axisbelow(s) and returns: validate_bool, str