code: def single_load(input_, ac_parser=None, ac_template=False,
                  ac_context=None, **options):
      r
      cnf = _single_load(input_, ac_parser=ac_parser, ac_template=ac_template,
                         ac_context=ac_context, **options)
      schema = _maybe_schema(ac_template=ac_template, ac_context=ac_context,
                             **options)
      cnf = _try_validate(cnf, schema, **options)
      return anyconfig.query.query(cnf, **options)