update

Task/Conditional-structures/Racket/conditional-structures-1.rkt

@@ -0,0 +1,3 @@
+(if (< x 10)
+  "small"
+  "big")

Task/Conditional-structures/Racket/conditional-structures-2.rkt

@@ -0,0 +1,3 @@
+(when (< x 10)
+  (define y (* x 10))
+  (printf "small\n"))

Task/Conditional-structures/Racket/conditional-structures-3.rkt

@@ -0,0 +1,7 @@
+(printf "x is ~a\n"
+        (cond [(< x 1)     "tiny"]
+              [(< x 10)    "small"]
+              [(< x 100)   "medium"]
+              [(< x 10000) "big"]
+              [(< x 100000000) "huge"]
+              [else "gigantic"]))

Task/Conditional-structures/Racket/conditional-structures-4.rkt

@@ -0,0 +1,8 @@
+(case x
+  [(1) "one"]
+  [(2) "two"]
+  [(3) "three"]
+  [(4) "four"]
+  [(6 8)   "even"]
+  [(5 7 9) "odd"]
+  [else    "something else"])