L[0] = row
if __name__ == '__main__':
    manager = Manager()
lst = manager.list()
lst.append([1])
lst.append([2, 3])
print(lst)
p = Process(target=f, args=(lst,))
p.start()
p.join()
print(lst)
Can I create a shared multiarray or lists of lists object in python for multiprocessing?