diff --git a/slices/demo2.go b/slices/demo2.go
index b21d1c3..8874bae 100644
--- a/slices/demo2.go
+++ b/slices/demo2.go
@@ -1,8 +1,14 @@
 package slices
 
-import "fmt"
+import (
+	"fmt"
+)
 
 func Demo2()  {
 	cities := []string{"Ankara", "İstanbul", "İzmir"} // same as make 
 	fmt.Println(cities)
+	cities_copy := make([]string, len(cities))
+	fmt.Println(cities_copy)
+	copy(cities_copy, cities)
+	fmt.Println(cities_copy)
 }
\ No newline at end of file