ocket8888 commented on issue #3503: Comparison using is when operands support __eq__ URL: https://github.com/apache/trafficcontrol/pull/3503#issuecomment-484681524 That is a good change, but an interesting tidbit: in CPython this actually works properly because the interpreter will cache numeric constants and short string constants at compile time. So assigning a variable to the value of a small string actually just points it at the existing object. Since strings and numbers are immutable, this is totally safe. But it's wrong to rely on implementation quirks.
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