September 2017 Update

This commit is contained in:
Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions

View file

@ -0,0 +1,16 @@
(display "Enter a string: ")
(define s (read-line))
(display "Yes, ")
(write s)
(display " is a string.") ;; no need to verify, because READ-LINE has to return a string
(newline)
(display "Now enter the integer 75000: ")
(define n (read))
(display
(cond
((not (integerp n))
"That's not even an integer." )
((/= n 75000)
"That is not the integer 75000." )
(t
"Yes, that is the integer 75000." ) ) )