import time def task_1(): while True: print('----1----') time.sleep(0.1) yield def task_2(): while True: print('----2----') time.sleep(0.1) yield t1 = task_1() t2 = task_2() while True: next(t1) next(t2)
yield后面也可以不跟值
这里就属于并发了
并行和并发的区别 https://blog.csdn.net/hxxjxw/article/details/121563585
这种多任务的实现就像是调用一个函数一样简单。
进程线程都能实现多任务,但是他们之间切换任务占用的资源相当大。协程相比就会更好
Python用yield实现多任务(yield协程)
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Origin blog.csdn.net/hxxjxw/article/details/121563513
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