>>> x = (lambda : ((yield 666),(yield 777),(yield 888)))() >>> x.next() 666 >>> x.next() 777 >>> x.next() 888 >>> x.next() (None, None, None) >>> x = (lambda : ((yield 666),(yield 777),(yield 888)) and None)() >>> x.next() 666 >>> x.next() 777 >>> x.next() 888 >>> x.next()
Traceback (most recent call last):
File "<pyshell#29>", line 1, in <module>
x.next()
StopIteration
>>>
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