code: def _fixed_length_record(self, r, f):
      return compat.as_bytes(str((r * f) % 10) * self._record_bytes)
  
imports: import os
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import readers
  from tensorflow.python.data.util import structure
  from tensorflow.python.distribute import input_ops
  from tensorflow.python.eager import context
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.lib.io import python_io
  from tensorflow.python.ops import gen_dataset_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
  from tensorflow.python.util import compat
label_desc: Use image node_id 5 for calling the AutoShardDatasetTest obj's underlying member method code with example usage: obj._fixed_length_record(r, f) and returns: compat