code: def rand_psd(D):
      mat = npr.randn(D, D)
      return np.dot(mat, mat.T)
  
imports: from __future__ import absolute_import
  from builtins import range
  import itertools
  import autograd.numpy
  import autograd.numpy.random
  from autograd.test_util import check_grads
  from autograd import tuple
  from autograd import grad
  from functools import partial
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: rand_psd(D) and returns: np