code: def max_fwd(x):
      return np.amax(x, axis=0)
  
imports: from functools import partial
  from hypothesis import given, settings
  import numpy
  import unittest
  import hypothesis.strategies
  from caffe2.python import core, workspace
  import caffe2.python.hypothesis_test_util
  import caffe2.python.serialized_test.serialized_test_util
label_desc: Use image node_id 9 for calling a global function with example usage: max_fwd(x) and returns: np