'Makes a copy of this ``NDArray``, keeping the same context.
Returns
NDArray
The copied array
Examples
>>> x = mx.nd.ones((2,3))
>>> y = x.copy()
>>> y.asnumpy()
array([[ 1.,  1.,  1.],
[ 1.,  1.,  1.]], dtype=float32)'

def copy(self):

    return self.copyto(self.context)
