class_docstr: A code generator which renders Python types by not adding
  ``to_string()`` around output nodes.
code: def _output_const_repr(self, group):
      return repr("".join([text_type(v) for v in group]))
  
imports: from ast import literal_eval
  from itertools import chain
  from itertools import islice
  from .None import nodes
  from ._compat import text_type
  from .compiler import CodeGenerator
  from .compiler import has_safe_repr
  from .environment import Environment
  from .environment import Template
label_desc: Use image node_id 2 for calling the NativeCodeGenerator obj's underlying member method code with example usage: obj._output_const_repr(group) and returns: repr