code: def bounded_string(self, s):
      if len(s) == 0:
          return True
      if s[-1] != s[0]:
          return False
      i = -2
      backslash = False
      while len(s) + i > 0:
          if s[i] == "\\":
              backslash = not backslash
              i -= 1
          else:
              break
      return not backslash
  
imports: import datetime
  import io
  from os import linesep
  import re
  import sys
  from toml.tz import TomlTz
label_desc: Use image node_id 9 for calling the TomlDecoder obj's underlying member method code with example usage: obj.bounded_string(s) and returns: unknown, True, False