code: def validate_whiskers(s):
      if s == "range":
          return "range"
      else:
          try:
              v = validate_nseq_float(2)(s)
              return v
          except (TypeError, ValueError):
              try:
                  v = float(s)
                  return v
              except ValueError:
                  raise ValueError(
                      "Not a valid whisker value ['range', float, "
                      "(float, float)]"
                  )
  
imports: from __future__ import absolute_import, division, print_function
  import six
  from functools import reduce
  import operator
  import os
  import warnings
  import re
  from matplotlib import cbook, testing
  from matplotlib.cbook import mplDeprecation, deprecated, ls_mapper
  from matplotlib.fontconfig_pattern import parse_fontconfig_pattern
  from matplotlib.colors import is_color_like
  from cycler import Cycler, cycler
label_desc: Use image node_id 27 for calling a global function with example usage: validate_whiskers(s) and returns: str, v, v