List Operations I



Accessing elements in a list

  • First element


    		•  (car a_list)
  • Remainder


    		•  (cdr a_list)


    Examples

      (car '(a b c))

    		 A

      (cdr '(a b c))

    		 (B C)

      (car '((3 b) c))

      (cdr '((3 b) c))

      (cdr '(a))

      (setq a_list '((23.9 ab) (apples oranges cherries) (dogs cats cows)))

      (car (car a_list))

      (cdr (cdr a_list))

      (car (cdr a_list))

      (cdr (car a_list))

      (caar a_list)

      (cddr a_list)

      (cadr a_list)

      (cdar a_list)

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