python(greenlet 携程（自动）)

# Author: Sooele
from greenlet import greenlet
def test1():
    print(12)   #1
    gr2.switch()
    print(34) #5
    gr2.switch()
def test2():
    print(56) #3
    gr1.switch()
    print(78) #6
gr1 = greenlet(test1) #启动一个携程 #4
gr2 = greenlet(test2)  #2
gr1.switch()