both of the lines you've showed are poorly readable. not for the length itself, but for the attached mental needs needed to understand the `MyDict` data structu

both of the lines you've showed are poorly readable. not for the length itself, but for the attached mental needs needed to understand the `MyDict` data structure (that is the only variable here in your expression). that said, having a max-length, apart from the eyesight reasons, have this nice side effect that make it blatantly obvious that one expression is definitely too complex, as you've shown in your second example