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    "# Text and code\n",
    "\n",
    "```{error}\n",
    "The interactive Python feature has been temporarily removed from the TeachBooks Template Book because of a system outage at TU Delft's GitLab repository.\n",
    "\n",
    "This outage affects: 1) new books that are created from the TeachBooks Template, and 2) exising books that are _modified_ while TU Delft GitLab is down.\n",
    "\n",
    "To see what this page would look like when there is _not_ an outage, you can [visit this book which was created beforehand](https://rlanzafame.github.io/my-first-book/main/some_content/text_and_code.html).\n",
    "\n",
    "**Did you make a book using this template while the website was down?**\n",
    "\n",
    "Check whether TU Delft GitLab is live again by visiting [this link](https://gitlab.tudelft.nl/). If it is, you can restore the interactive Python feature to your book by following the one of the two approaches below.\n",
    "\n",
    "- **Option 1:** Create a new book using the template, following the instructions at [github.com/teachbooks/template](https://github.com/teachbooks/template).\n",
    "- **Option 2:** Replace this page in the table of contents file (`_toc.yml`) with the file `text_and_code.ipynb`, then uncomment the lines in the config file (`_config.yml`) that are related to the interactive Python feature. Commit the changes in the GitHub repository of your book, and the GitHub Actions workflow should take care of the rest!\n",
    "```"
   ]
  }
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