code: def np_around(array, num_decimals=0):
      # return array
      return np.around(array, decimals=num_decimals)
  
imports: from __future__ import absolute_import
  import os
  import tqdm
  import pickle
  import datetime
  import argparse
  import numpy
  from scipy.io import loadmat
label_desc: Use image node_id 4 for calling a global function with example usage: np_around(array, num_decimals) and returns: np