stepping

stepping - Campus part b: (posn-y (labelled-posn-posn...

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Sheet1 Page 1 ***** Ru Wang ** 20319247 ** CS135 Sec.001 Tut 108 ** Assignment 4 ** October 08, 2008 Question 1: part a: (labelled-posn-label (first (rest (rest lolp)))) => (labelled-posn-label (first (rest (rest (cons (make-labelled-posn (make-posn 0 0) ¡¯Origin) (cons (make-labelled-posn (make-posn 5 10) ¡¯Five-n-dime) (cons (make-labelled-posn (make-posn ?200 0) ¡¯Campus) empty))))))) => (labelled-posn-label (first (rest (cons (make-labelled-posn (make-posn 5 10) ¡¯Five-n-dime) (cons (make-labelled-posn (make-posn ?200 0) ¡¯Campus) empty))))) => (labelled-posn-label (first (cons (make-labelled-posn (make-posn ?200 0) ¡¯Campus) empty))) => (labelled-posn-label (make-labelled-posn (make-posn ?200 0) ¡¯Campus)) =>
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Unformatted text preview: Campus part b: (posn-y (labelled-posn-posn (first (rest lolp)))) => (posn-y (labelled-posn-posn (first (rest (cons (make-labelled-posn (make-posn 0 0) Origin) (cons (make-labelled-posn (make-posn 5 10) Five-n-dime) (cons (make-labelled-posn (make-posn ?200 0) Campus) empty))))))) => (posn-y (labelled-posn-posn (first (cons (make-labelled-posn (make-posn 5 10) Five-n-dime) (cons (make-labelled-posn (make-posn ?200 0) Campus) empty))))) => (posn-y (labelled-posn-posn (make-labelled-posn (make-posn 5 10) Five-n-dime))) => (posn-y (make-posn 5 10)) => 10...
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