I don't think many other languages make that claim, and I think it's generally an anti-goal in diverse multiparadigm languages. I don't even understand why Python tries to have it: I can think of three fairly idiomatic ways to sum a list of numbers right off the top of my head; it's immediately clear that such a proposition is not feasible for the language. The only time I have heard it come up is when there is an unsaid accusation that the language is getting "to complex" and someone wants to block the addition of a feature…