code: def test_ndarray():
      globs = {"np": numpy, "mx": mxnet}
  
      doctest.testmod(mxnet.ndarray, globs=globs, verbose=True)
  
imports: import doctest
  import logging
  import mxnet
  import numpy
label_desc: Use image node_id 3 for calling a global function with example usage: test_ndarray() without return types