code: def getLabelString(labelID):
      try:
          label = METALabelDict[labelID]
      except KeyError:
          label = "Unknown label"
      return str(label)
  
imports: from fontTools.misc import sstruct
  from fontTools.misc.textTools import byteord, safeEval
  from .None import DefaultTable
  import pdb
  import struct
label_desc: Use image node_id 1 for calling a global function with example usage: getLabelString(labelID) and returns: str