code: def escape_parsable(s):
      if _parsable_str.fullmatch(s):
          return s
      else:
          return (
              "`"
              + s.encode("unicode_escape")
              .decode("utf-8")
              .replace("`", "\\`")
              + "`"
          )
  
imports: from typing import Optional, Union
  import sys
  import re
  from hailtop.config import ConfigVariable, configuration_of
label_desc: Use image node_id 7 for calling a global function with example usage: escape_parsable(s) and returns: s, unknown