added Transpose(), randomly transpose a string

psyfer/transposition.go

@@ -0,0 +1,16 @@
+package psyfer
+
+import (
+	"fmt"
+	"math/rand"
+)
+
+func Transpose(input string) string {
+	shuffle := ""
+	list := rand.Perm(len(input))
+	fmt.Println(list)
+	for _, i := range list {
+		shuffle += string(input[i])
+	}
+	return shuffle
+}