code: def cross_parameters(*args):
      """Cross a sequence of sequences of parameters suitable for @parameters."""
      for p in itertools.product(*args):
          yield functools.reduce(lambda x, y: x + y, p)
  
imports: from builtins import zip
  import functools
  import inspect
  import itertools
  import os
  from absl.testing import parameterized
  import numpy
  import tensorflow
  import unittest
  from tensorflow.python import tf2
  from tensorflow.python.eager import context
label_desc: Use image node_id 3 for calling a global function with example usage: cross_parameters() without return types