code: def iterator_next(strat, iterable):
      itr = iter(iterable)
      return strat.reduce("SUM", next(itr), axis=0)
  
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 7 for calling a global function with example usage: iterator_next(strat, iterable) and returns: strat