[racket] two question about DrRacket

From: Shriram Krishnamurthi (sk at cs.brown.edu)
Date: Wed Jun 1 19:08:12 EDT 2011

> (define (p x)
>   (+ x 10)
>   (* x 10)
>   )
> The result of (p 4) is 40.  How can I display 14 and 40?

Write two separate functions.

> 2  How can I compare two letters in Ascii order?  For example, when input
> are "x" and "y", the program will tell x is before y.


Note that "x" and "y" are strings, not characters.  So you may want to
use string<=? instead.


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