anchor.diff:           (lastname (case name ("John" "Doe")
                                 ("Max" "Mustermann")
                                 (t "Anonymous"))))
  -  (assert-equal ____ lastname)))
  +  (assert-equal "Anonymous" lastname)))
   
   (define-test test-cond
       "cond is the general purpose form for checking multiple
  
positive.code:         (cond ((> a 0) :positive)
                ((< a 0) :negative)
                (t :zero)))
    (assert-equal ____ c))
  
negative.code:                 (5 :five)
                  ;; t specifies default behavior
                  (t :unknown)))
    (assert-equal :four b)
    "case can also check if a list of values contains
     the input"
    (setf c
  