并行模型:
import time def a(x): print('123456789,%s'%x) while True: b=yield time.sleep(1) print('abcdefghi,%s'%x,b) def c(): d=a('1') e=a('2') d.__next__() e.__next__() for i in range(10): time.sleep(2) d.send('ok,%s,%s'%('1',i)) e.send('ok,%s,%s'%('2',i)) c()