code: def builtin_pkg():
      if PY3:
          return "builtins"
      return "__builtin__"
  
imports: import getpass
  import os
  import random
  import string
  import unittest
  import numpy
  import pandas
  import pytest
  from pandas.tseries.offsets import Day
  from past.utils import old_div
  from six import PY3
label_desc: Use image node_id 22 for calling a global function with example usage: builtin_pkg() and returns: str, str