code: def IS_CHARACTER_JUNK(ch, ws=" \t"):
      r"""
      Return True for ignorable character: iff `ch` is a space or tab.
  
      Examples:
  
      >>> IS_CHARACTER_JUNK(' ')
      True
      >>> IS_CHARACTER_JUNK('\t')
      True
      >>> IS_CHARACTER_JUNK('\n')
      False
      >>> IS_CHARACTER_JUNK('x')
      False
      """
  
      return ch in ws
  
imports: from heapq import nlargest
  from collections import namedtuple
  from types import GenericAlias
  import re
label_desc: Use image node_id 5 for calling a global function with example usage: IS_CHARACTER_JUNK(ch, ws) and returns: unknown