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A comment on PEP 584 – Add + and – operators to the built-in dict class. Parent comment

Re:PEP 584 – Add + and – operators to the built-in dict class by zephyrfalcon on Wednesday March 06, 2019 @11:09AM (#19319949)
Before Python grew a set type, it was common to implement them in a similar way, i.e. as a dict with some kind of default value (0, 1, None, etc).
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Re:PEP 584 – Add + and – operators to the built-in dict class by kevin_thibedeau on Wednesday March 06, 2019 @12:45PM (#19320887)
Python sets are internally just a dict hash table for the keys with no associated values.
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