added Transpose(), randomly transpose a string

main.go

@@ -1,7 +1,18 @@
 package main
 
-import "fmt"
+import (
+	"fmt"
+	"math/rand"
+	"time"
+
+	"s.mcquay.me/dm/psyfer/psyfer"
+)
+
+func init() {
+	rand.Seed(time.Now().UnixNano())
+}
 
 func main() {
-	fmt.Println("hello psyfer")
+	fmt.Println(psyfer.Transpose("hello world"))
+	fmt.Println(psyfer.Transpose("hello"))
 }

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
+}