How can I check for NaN values?

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Chapters
00:00 Question
00:18 Accepted answer (Score 1939)
00:31 Answer 2 (Score 557)
00:47 Answer 3 (Score 264)
01:01 Answer 4 (Score 217)
01:28 Thank you

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Full question
https://stackoverflow.com/questions/9447...

Accepted answer links:
[math.isnan]: http://docs.python.org/library/math.html...

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Tags
#python #math

#avk47