Report errors

If you have noticed any errors in the exercises or other places in the course, please do not hesitate to inform us. There are several ways you can reach us, so pick your preferred method from the list below:

  • Post a message on the post with the weekly exercises. This will be shown publicly so that anyone can see the error even before we’ve had a chance to correct it.
  • Send us an e-mail to
  • Comment on this page using the form below. We will remove comments about errors here as soon as we have corrected them and informed everyone else.

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