code: def begin(self, state_name):
      Scanner.begin(self, state_name)
  
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 2 for calling the MyScanner obj's underlying member method code with example usage: obj.begin(state_name) without return types