code: def obj_array(num_arr):
      """
      Creates a generic object array with the desired number of sub-arrays, given by `num_arr`
      """
      return np.empty(num_arr, dtype=object)
  
imports: import numpy
  import pandas
  import seaborn
  import matplotlib.pyplot
  import warnings
  import itertools
label_desc: Use image node_id 3 for calling a global function with example usage: obj_array(num_arr) and returns: np