I think that in the first exercise it should be better to make a special case 2 too and then iterate from 3 incrementing 2 by 2. It shows that you don't only know how to code but basic math too ;)
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I think that in the first exercise it should be better to make a special case 2 too and then iterate from 3 incrementing 2 by 2. It shows that you don't only know how to code but basic math too ;)