code: def independent_ifs(x, y):
      z = 0
      if x > 0:
          if y > 0:
              z = x + y
      return z
  
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 1 for calling a global function with example usage: independent_ifs(x, y) and returns: z