协程+猴子补丁

'''
  协程: 微线程
  进程》线程》协程

'''
from time import sleep


def eat():
    for i in range(5):
        print('正在吃第{}个馒头'.format(i + 1))
        sleep(0.6)
        yield


def listen():
    for i in range(5):
        print('正在听第{}首歌'.format(i + 1))
        sleep(0.6)
        yield


if __name__ == '__main__':
    g1 = eat()
    g2 = listen()

    while True:
        try:
            next(g1)
            next(g2)
        except:
            break

'''
协程:
  gevent----> greenlet
  猴子补丁
'''

import time
import gevent
from gevent import monkey

# 猴子补丁

monkey.patch_all()




def eat():
    for i in range(5):
        print('正在吃第{}个馒头'.format(i + 1))
        time.sleep(0.6)  # 自动切换


def listen():
    for i in range(5):
        print('正在听第{}首歌'.format(i + 1))
        time.sleep(0.6)


if __name__ == '__main__':
    g1 = gevent.spawn(eat)
    g2 = gevent.spawn(listen)

    g1.join()
    g2.join()

    print('-----over-----')