code: def nested_ifs(x):
      if x > 0:
          if x < 5:
              return x
          else:
              return x * x
      else:
          return x * x * x
  
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 4 for calling a global function with example usage: nested_ifs(x) and returns: unknown, x, unknown