简要说明__python3中的进程/线程/协程

import os
import time
from multiprocessing import Process

from threading import Thread

import gevent
from gevent import monkey

monkey.patch_all()

# 创建两个进程,每个线程两个线程,每个线程两个协程

def print_gevent_info(T_info ,G_info):
    print("在协程执行的函数中,所属的进程号为%d,线程的名称为%s,协程的名称为%s"%(os.getpid(),T_info ,G_info))
    time.sleep(0.5)


def print_thread_info(T_info):
    print("在线程执行的函数中:线程所属的进程号为:%d,进程的名称为%s"%(os.getpid(),T_info))
    gevent.joinall([gevent.spawn(print_gevent_info, T_info,"g1"), gevent.spawn(print_gevent_info, T_info, "g2")])


    time.sleep(2)


def creat_two_thread():
    t1 = Thread(target=print_thread_info, args=("t1",))
    t2 = Thread(target=print_thread_info, args=("t2",))
    t1.start()
    t2.start()


def print_process_info(P_info):
    # 创建线程
    creat_two_thread()

    print("在进程执行的函数中,进程的名称为%s进程号为%s"%(P_info,os.getpid()))
    time.sleep(5)
    pass


def main():
    #创建两个进程
    p1 = Process(target=print_process_info, args=("p1",))

    p2 = Process(target=print_process_info, args=("p2",))
    
    # 开启两个进程

    p1.start()

    p2.start()
    



if __name__ == "__main__":
    main()