How do I know if a generator is empty from the start?

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Chapters
00:00 Question
00:23 Accepted answer (Score 74)
00:56 Answer 2 (Score 142)
01:22 Answer 3 (Score 47)
01:42 Answer 4 (Score 26)
02:31 Thank you

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Full question
https://stackoverflow.com/questions/6616...

Answer 2 links:
[next()]: http://docs.python.org/3/library/functio...

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Tags
#python #generator

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