code: def test_ndarray_copy():
      c = mx.nd.array(np.random.uniform(-10, 10, (10, 10)))
      d = c.copyto(mx.Context("cpu", 0))
      assert np.sum(np.abs(c.asnumpy() != d.asnumpy())) == 0.0
  
imports: import os
  import mxnet
  import numpy
  import pickle
label_desc: Use image node_id 11 for calling a global function with example usage: test_ndarray_copy() without return types