class_docstr: Assemble both a bytes and a unicode representation of a string.
      
class_docstr_tok: ["Assemble","both","a","bytes","and","a","unicode","representation","of","a","string","."]
code: def append(self, characters):
      self._bytes.append(characters)
      self._unicode.append(characters)
  
imports: from __future__ import absolute_import
  import re
  import sys
label_desc: Use image node_id 2 for calling the StrLiteralBuilder obj's underlying member method code with example usage: obj.append(characters) without return types