racket selection sort (hacktoberfest17#1677)

Author: abhisagar

sorting/selection_sort/selection_sort/racket.rkt

@@ -0,0 +1,6 @@
+ 
+#lang racket
+(define (selection-sort xs)
+  (cond [(empty? xs) '()]
+        [else (define x0 (apply min xs))
+              (cons x0 (selection-sort (remove x0 xs)))]))