Le 28/06/2018 à 01:31, Greg Ewing a écrit : > Well, I remain profoundly unconvinced that writing comprehensions > with side effects is ever a good idea, and Tim's examples did > nothing to change that. Comprehensions with side effects feel scary indeed. But I could see myself using some variant of the "cumsum" example (for scientific work at the command prompt): >>> x=0; [x:=x+i for i in range(5)] Here the side effects are irrelevant, the "x" variable won't be reused. But it needs to be initialized at the start of the comprehension. I would happily get rid of the side-effects, but then what would be a non-cryptic alternative to the above example? Baptiste
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