import multiprocessing as mp def aa1(aa2): print("1111111111", id(aa2), aa2) aa = [1, 2, 3, 4, 5, 6] print(id(aa)) # num = mp.Array('i', aa) p = mp.Process(target=aa1, args=(aa,)) p1 = mp.Process(target=aa1, args=(aa,)) p2 = mp.Process(target=aa1, args=(aa,)) p.start() p1.start() p2.start()