How does python prevent a class from being subclassed?

This video explains
How does python prevent a class from being subclassed?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Unforgiving Himalayas Looping

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Chapters
00:00 Question
01:06 Accepted answer (Score 22)
01:58 Thank you

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Full question
https://stackoverflow.com/questions/1605...

Question links:
[python docs]: http://docs.python.org/2/library/functio...

Accepted answer links:
[Py_TPFLAGS_BASETYPE]: http://docs.python.org/2/c-api/typeobj.h...

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Tags
#python #subclass #final

#avk47