from multiprocessing import Pool
import traceback
class Utils:
   
  def __init__(self):
    self.count = 10

def function():
  global u1 
  u1 = Utils() 
  l1 = range(3) 
  process_pool = Pool(1) 
  try: 
    process_pool.map(add, l1, 1)
    process_pool.close()
    process_pool.join()
  except Exception as e:
    process_pool.terminate() 
    process_pool.join() 
    print(traceback.format_exc()) 
    print(e)

def add(num):
  total = num + u1.count
  print(total)

if __name__ == "__main__":
   function()