Merge pull request #4 from ElviraQDP/master

ex 19 fixed

Author: alesanchezr

exercises/19-And-One-and-a-Two-and-a-Three/app.js

@@ -1,8 +1,8 @@
-contact = {
+let contact = {
     fullname: "Jane Doe",
     phone: "321-321-4321",
     email: "test@test.com"
 }
-for(key in contact){
+for(et key in contact){
     // Code goes here
 }