Merge pull request #38 from akshitgautam42/Ex-38

Exercise 38

exercises/09_strings/strings1.rs

@@ -5,7 +5,7 @@
 // Execute `rustlings hint strings1` or use the `hint` watch subcommand for a
 // hint.
 
-// I AM NOT DONE
+
 
 fn main() {
     let answer = current_favorite_color();
@@ -13,5 +13,5 @@ fn main() {
 }
 
 fn current_favorite_color() -> String {
-    "blue"
+    "blue".to_string()
 }