1. 代码
import time
from greenlet import greenlet
def task_1():
while True:
print("--------A------------")
gr2.switch()
time.sleep(0.1)
def task_2():
while True:
print("---------B-------------")
gr1.switch()
time.sleep(0.1)
gr1 = greenlet(task_1)
gr2 = greenlet(task_2)
gr1.switch()