def run(self):
        print("starting ", self.name, " at: ", ctime())
        self.res = self.func(self.args)
        print(self.name, "finished at: ", ctime())

def main():
    nfuncs = range(len(funcs))

    print("单线程".center(30, "*"))
    start = time()
    for i in nfuncs:
        print("start {} at: {}".format(funcs[i].__name__, ctime()))
        start_task = time()
        print(funcs[i](n))
        end_task = time()
        print("任务 耗时：", end_task-start_task)
        print("{} finished at: {}".format(funcs[i].__name__, ctime()))

    end = time()
    print("单线程运行时间：", end-start)
    print("单线程结束：".center(30, "*"))

    print()
    print("多线程".center(30, "*"))
    start = time()
    threads = []
    for i in nfuncs:
        # 一个线程绑定一个函数
        t = MyThread(funcs[i], n, funcs[i].__name__)
        threads.append(t)

    for i in nfuncs:
        # 同时启动线程
        threads[i].start()

    for i in nfuncs:
        threads[i].join()
        print(threads[i].getResult())
    end = time()
    print("多线程运行时间：", end-start)
    print("多线程结束：".center(30, "*"))

    print()
    print("多进程".center(30, "*"))
    start = time()
    process_list = []
    for i in nfuncs:
        # 一个进程绑定一个函数
        t = Process(target=funcs[i], args=(n, ))
        process_list.append(t)

    for i in nfuncs:
        # 同时启动进程
        process_list[i].start()

    for i in nfuncs:
        process_list[i].join()
    end = time()
    print("多进程运行时间：", end - start)
    print("多进程结束：".center(30, "*"))

if __name__ == "__main__":
    main()