Be careful. Once you grok Emacs, you may never be able to use another editor again.

Help us explain this better! File a GitHub issue at if you have suggestions, or submit a patch with improvements to the file.

Try It!

If you've downloaded the command-line client and have Emacs Lisp installed on your machine, then go ahead and fetch the first problem.

exercism fetch elisp

In order to be able to submit your solution, you'll need to configure the client with your Exercism API key.

exercism configure --key=YOUR_EXERCISM_KEY

When you've written a solution, submit it to the site. You'll have to configure the command-line client with your exercism API key before you can submit.

exercism submit PATH_TO_FILE