Scheme Third, swap,evenatom a list [closed]

StackOverflow https://stackoverflow.com/questions/22900539

  •  28-06-2023
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Question

(thirds '(a b c d e f g)) should return: (a d g);

(thirds '((a b) c (d e f) g (h i))) should return ((a b) g))

(thirds '()) should return the empty list;

The second function is SWAP

The third function is EVENATOM

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Solution

It seems that all this functions were part of someone else's assignment, if you take the time to search for them there are several answers. Disclaimer: I'll link my own solutions, but there are others there, just as good.

  • The thirds procedure was defined here
  • The swap procedure was defined here
  • And the evenatom procedure is here
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