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Ingy döt Net 2013-10-27 22:24:23 +00:00
parent 6f050a029e
commit 776bba907c
3887 changed files with 59894 additions and 7280 deletions
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Task/User-input-Graphical/Racket/user-input-graphical.rkt Normal file
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#lang racket
(require racket/gui)
(define str (get-text-from-user "Hi" "Enter a string"))
(message-box "Hi" (format "You entered: ~a" str))
(define n (get-text-from-user "Hi" "Enter a number"))
(message-box "Hi" (format "You entered: ~a"
(or (string->number n) "bogus text")))