code: def scrubFtnlen(source):
      return runScanner(source, LenSubsScanner)[0]
  
imports: import os
  import re
  import sys
  from plex import Scanner, Str, Lexicon, Opt, Bol, State, AnyChar, TEXT, IGNORE
  from plex.traditional import re
label_desc: Use image node_id 3 for calling a global function with example usage: scrubFtnlen(source) and returns: runScanner