code: def translate_longopt(opt):
      """Convert a long option name to a valid Python identifier by
      changing "-" to "_".
      """
      return opt.translate(longopt_xlate)
  
imports: import sys
  import string
  import re
  import getopt
  from .errors import DistutilsGetoptError, DistutilsArgError
label_desc: Use image node_id 3 for calling a global function with example usage: translate_longopt(opt) and returns: opt