python多进程

import multiprocessing #多进程模块

def fun(q,number,lst): #自定义执行函数
	arr = []
	for i in lst:
		arr.append(i)
	q.put(arr)   #将结果放入列队

if __name__=='__main__':
    lst = list(range(99))
    thread_input_list = dict()
    partition_point = int(len(lst)/4) #分4个进程，将lst分成4份
    for thread_number in range(0,4): 
        thread_input_list[thread_number] = lst[(thread_number*partition_point):(thread_number+1)*partition_point]

    processes = dict()
    queues = dict()
    #分4个进程，每个进程有自己的lst
    for thread in range(0,4):
        queues[thread] = multiprocessing.Queue()
        processes[thread] = multiprocessing.Process(target=fun,args=(queues[thread],thread,thread_input_list[thread]))
        processes[thread].start()

    thread_position_list = dict()
    #取回结果
    for thread in range(0,4):
        processes[thread].join()
        thread_position_list[thread] = queues[thread].get()
    #将结果输出
    for i in range(0,4):
        for value in thread_position_list[i]:
            print(value)