code: def _pad_random(m, new_rows, rand):
      """Pad a matrix with additional rows filled with random values."""
      _, columns = m.shape
      low, high = -1.0 / columns, 1.0 / columns
      suffix = rand.uniform(low, high, (new_rows, columns)).astype(REAL)
      return vstack([m, suffix])
  
imports: import logging
  import numpy
  from numpy import ones, vstack, float32
  import gensim.models._fasttext_bin
  from gensim.models.word2vec import Word2Vec
  from gensim.models.keyedvectors import KeyedVectors, prep_vectors
  from gensim import utils
  from gensim.utils import deprecated
  from gensim.models import keyedvectors
label_desc: Use image node_id 7 for calling a global function with example usage: _pad_random(m, new_rows, rand) and returns: vstack