Python's and and Pythons or

[Peter Cacioppi]

On Wednesday, October 9, 2013 4:54:03 PM UTC-7, Peter Cacioppi wrote:
> I really like the logic that Pythons "or" is not only short-circuit but non-typed.
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> So I can say
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> y = override or default
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> and y won't necc be True or False. If override boolean evaluates to True (which, for most classes, means not None) than y will be equal to override. Otherwise it will be equal to default.
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> I have two questions
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> --> Is there a handy name for this type of conditional (something as catchy as "short circuit or")
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> and 
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> --> Is there a common idiom for taking advantage of the similar behavior of "and". The "override or default" just makes me grin every time I use it.
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> Thanks

So you can wrap it all up in one big example

y = (overrideprovider and overrideprovdider() ) or default

echo-argument and/or is a beautiful thing