Why does "a == x or y or z" always evaluate to True? How can I compare "a" to all of those?

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Track title: The Builders

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Chapters
00:00 Question
01:30 Accepted answer (Score 213)
04:09 Answer 2 (Score 7)
06:09 Answer 3 (Score 6)
07:15 Answer 4 (Score 3)
08:00 Thank you

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Full question
https://stackoverflow.com/questions/2000...

Question links:
[How to test multiple variables for equality against a single value?]: https://stackoverflow.com/questions/1511...

Accepted answer links:
[chooses the first operand]: https://stackoverflow.com/questions/4700...
["truthy"]: https://stackoverflow.com/questions/3998...
[would satisfy an ]: http://docs.python.org/3/library/stdtype...

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Tags
#python #boolean #booleanexpression

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