It operates similarly to bitwise or, combining all the set bits, or like the or ... | Hacker News

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		Doxin on Oct 6, 2020 \| parent \| context \| favorite \| on: Python 3.9 It operates similarly to bitwise or, combining all the set bits, or like the or operator on sets, combining all the set elements. "\|" has never meant logical or in python nor in most other common programming languages.

minitech on Oct 6, 2020 [–]

They’re referring to duplicate keys’ precedence. `a or b` prefers `a` if truthy, but `a | b` prefers b’s values.

Doxin on Oct 8, 2020 | [–]

That's because it's replicating the behavior of the update function. Again | doesn't mean or, so it shouldn't be expected to behave the same.

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