Before uploading code, you will need to create a compute capsule to contain it. 

After logging in, navigate to https://codeocean.com/dashboard, where you will find the New Compute Capsule button. Click it and choose the appropriate language (in which most or all of your code is written) from the drop-down menu.

(You can add more languages later if you need to. See Setting up additional languages on Code Ocean to see how.) 

You will then be taken to a new private workspace, where you can upload and run your code, configure your computational environment, and, when you are ready, publish your capsule.

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