Grant Edwards <invalid@invalid.invalid> writes: > No, you don't. That's not how a zipper works. Each tooth from side A, > isn't bound with one from side B. It's bound with _two_ of them from > side B. And each of those is in turn bound with an additional tooth > from side A, and so on... > >> In your program you have two lists, whose elements `zip` returns >> bound together in pairs > > What the zipper on a coat does is convert two separate sequences into > a single sequence where the members alternate between the two input > sequences. IOW if we want to do something analogous to a zipper > fastener it should do this: > > zip([a,b,c,d,e,f],[1,2,3,4,5,6]) => [a,1,b,2,c,3,d,4,e,5,f,6] > > Item '1' is bound equally to item 'a' and 'b'. Item 'b' is bound > equally to item '1' and '2'.
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