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@jci55,My guess would be dumb luck? You've raised an interesting point. I just tried with the
sale_percentageset to0and I do get theZeroDivisionErrorwith my solution. But the katas solution code also has the same result.On the one hand, it seems odd to have
sale_percentageever be100%since a "store" would just be giving something away for free. Google seems to think "sale" means "the exchange of a commodity for money; the action of selling something" or "a period during which a retailer sells goods at reduced prices". According to those definitions, it seems like an oxymoron to have a100%sale.If a
99%sale was agreed to be the highest percentage possible, only one number would need to be changed to ensure nobody else gets one (or more) random tests withsale_percentage == 100.On the other hand, if
100%is agreed to be a validsale_percentage, at least one new hard-coded test should be added and the kata solution must be modified (since it also raises aZeroDivisionError).Hopefully that helps to answer your question. Thanks for the comment!