cs330_f2016:racketlists
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cs330_f2016:racketlists [2018/09/11 16:23] morse |
cs330_f2016:racketlists [2018/09/13 21:34] morse |
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| For example, ''(convert (list 1 2 3))'' should return the number 321. | For example, ''(convert (list 1 2 3))'' should return the number 321. | ||
| + | |||
| + | For your own learning, try not to write this using ''string->number''. In fact, don't use strings at all--try to do the calculation mathematically. For semesters after F18, this will not be allowed. | ||
| === duple === | === duple === | ||
| Line 73: | Line 75: | ||
| (define (average lst) ...) | (define (average lst) ...) | ||
| </code> | </code> | ||
| - | where ''lst'' is a list of numbers, and the result is the average of these numbers. | + | where ''lst'' is a non-empty list of numbers, and the result is the average of these numbers. |
| For example, ''(average (list 1 2 3 4))'' returns 5/2. | For example, ''(average (list 1 2 3 4))'' returns 5/2. | ||
cs330_f2016/racketlists.txt ยท Last modified: 2021/06/30 23:42 (external edit)
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