text: import math
  import re
  import os
  import random
  import multiprocessing
  import grp, pwd, platform
  import subprocess, sys
  from os.path import *
  from typing import Set
  
  h = {
      'a': 1,
      'b': 2,
      'c': 3,
      'd': 4,
      'e': 5,
      'f': 6,
      'b': 7,
  }
  
  def foo():
      from abc import ABCMeta, WeakSet
      try:
          import multiprocessing
          print(multiprocessing.cpu_count())
          is_dummy_path = join('is', 'dummy', 'path')
          print(is_dummy_path)
          duplicate_keys_set = {'a', 'b', 'c', 'a'}
          print(f'{duplicate_keys_set}')
          duplicate_keys_dict = {'a': 0, 'b': 1, 'c': 2, 'a': 3}
          print(f'{duplicate_keys_dict}')
          unused_variable = 10
      except ImportError as exception:
          print(sys.version)
      return math.pi
  