code: def _distributed_iterator():
      strat, ds = _distributed_dataset()
      return strat, iter(ds)
  
imports: import itertools
  from absl.testing import parameterized
  import tensorflow
  from tensorflow.python.autograph.tests import reference_test_base
label_desc: Use image node_id 13 for calling a global function with example usage: _distributed_iterator() and returns: strat,  iter