What is the most efficient way to loop through dataframes with pandas?

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Chapters
00:00 Question
01:07 Accepted answer (Score 421)
01:35 Answer 2 (Score 167)
02:29 Answer 3 (Score 134)
05:23 Answer 4 (Score 75)
06:20 Thank you

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Full question
https://stackoverflow.com/questions/7837...

Question links:
[Yahoo Finance]: http://finance.yahoo.com/q/hp?

Answer 3 links:
[Cython]: http://cython.org

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Tags
#python #pandas #performance #dataframe #forloop

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