If this is your first time using Code.org then you should create an account (free!) so you can save your progress. Click the blue "Create an account" button and sign up. Next time, you will just click "Sign in " at the top right of the screen.
You can complete the assignment without creating an account, but you may lose your progress if you are not logged in.
TIP: If you get stuck, there is a Help Guide in the Communication Unit Overview slides. USE IT!
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