I need help with making a function that deletes the nth term from a list.(list 
LS with its Nth element (with indexes starting at 0) deleted)
So far I have

(define (deleteNth N ls)
    (if (null? ls)
        ls
        (deleteNth (- N 1) (cdr ls))))

The results should be ...


(deleteNth 4 '()) returns ()
(deleteNth 0 '(a b c)) returns (b c)
(deleteNth 3 '(a b c)) returns (a b c)
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