Why isn't the 'global' keyword needed to access a global variable?

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Track title: Hypnotic Orient Looping

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Chapters
00:00 Question
00:57 Accepted answer (Score 431)
02:06 Answer 2 (Score 253)
02:31 Answer 3 (Score 89)
03:40 Answer 4 (Score 61)
04:58 Thank you

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Full question
https://stackoverflow.com/questions/4693...

Question links:
[UnboundLocalError on local variable when reassigned after first use]: https://stackoverflow.com/questions/3703...
[Using global variables in a function]: https://stackoverflow.com/questions/4233.../

Answer 2 links:
[binding]: http://docs.python.org/reference/executi...

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Tags
#python #globalvariables

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