Lisp deleting data from list

Question

'((A 0) (K 1) (E 1) (H 2) (I 2) (G 2) '3 (NIL 3) (J 3) (J 3) '4 (NIL 4) '4 (NIL 4)))

How do I delete '3 and '4 from the list?

6502 · Accepted Answer · 2013-03-25 20:30:02Z

3

In Lisp

'3

is simply a shorthand for

(quote 3)

so you need to use remove-if passing a predicate function that will check if the element being passed is a list of two elements where the first element is the symbol quote.

answered Mar 25, 2013 at 20:30

6502

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