python之yield 的用法

转载：https://blog.csdn.net/mieleizhi0522/article/details/82142856

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def foo():     print("starting...")     while True:         res = yield 4    #yield 看成一个rutrue         print("res:",res) g = foo() print(next(g)) print("*"*20) #print(next(g)) print(g.send(9)) #g.send可以直接转入参数进去 print(next(g))