exemplo simples de multiprocessing com Process

test_multiprocessing.py

import time
from multiprocessing import Process

def tarefa(seg):
  time.sleep(seg)
  print(f'Concluído em {seg} segundos...')

def main():
  p1 = Process(target=tarefa, args=(4,))
  p1.start()
  p2 = Process(target=tarefa, args=(2,))
  p2.start()
  p3 = Process(target=tarefa, args=(3,))
  p3.start()

  p1.join()
  p2.join()
  p3.join()
  print('Concluído!')
main()