code: def _create_random_starter(node_count):
      
      pi = np.zeros(node_count, dtype=float)
      for i in range(node_count):
          pi[i] = random.random()
      summation = np.sum(pi)
      for i in range(node_count):
          pi[i] = pi[i] / summation
  
      return pi
docs: Creates the random starter for the random walk.
  
      :param node_count: number of nodes to create the random vector.
      :returns: list -- list of starting probabilities for each node.