code: def lookup(tag):
      """
      :param tag: Integer tag number
      :returns: Taginfo namedtuple, From the TAGS_V2 info if possible,
          otherwise just populating the value and name from TAGS.
          If the tag is not recognized, "unknown" is returned for the name
  
      """
  
      return TAGS_V2.get(tag, TagInfo(tag, TAGS.get(tag, "unknown")))
  
imports: from collections import namedtuple
label_desc: Use image node_id 1 for calling a global function with example usage: lookup(tag) and returns: TAGS_V2