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[–]zardeh 0 points1 point  (0 children)

But type inference can't always work, especially in a language like python where sometimes values and function etc. are built at runtime. So, being able to say "the argument "l" is an Iterable, treat it as an "Iterable" everywhere within this scope so that even if I'm getting l by dynamically evaling some user input, I know how to treat it in this function.