code: def sub_escapes(sval):
      '''
      Process escaped characters in ``sval``.
  
      Arguments:
      - `sval`:
      '''
      sval = sval.replace('\\a', '\a')
      sval = sval.replace('\\b', '\x00')
      sval = sval.replace('\\f', '\f')
      sval = sval.replace('\\n', '\n')
      sval = sval.replace('\\r', '\r')
      sval = sval.replace('\\t', '\t')
      sval = sval.replace('\\v', '\v')
      sval = sval.replace('\\\\', '\\')
      return svaf sub_escapes(sval):
      '''
      Process escaped characters in ``sval``.
  
      Arguments:
      - `sval`:
      '''
      sval = sval.replace('\\a', '\a')
      sval = sval.replace('\\b', '\x00')
      sval = sval.replace('\\f', '\f')
      sval = sval.replace('\\n', '\n')
      sval = sval.replace('\\r', '\r')
      sval = sval.replace('\\t', '\t')
      sval = sval.replace('\\v', '\v')
      sval = sval.replace('\\\\', '\\')
      return sval
docs: Process escaped characters in ``sval``.
  
      Arguments:
      - `sval`: