code: def __init__(self):
      self.rand = _np.random.rand
      self.randint = _np.random.randint
      self.randn = _np.random.randn
  
imports: import numpy
  from scipy.spatial.distance import cdist, pdist
  from sklearn.metrics.pairwise import euclidean_distances, pairwise_distances
label_desc: Use image node_id 1 to create a new NumPyRandom object  with example: obj = NumPyRandom()