The course page CHAPTER1/[HTTPS:/COLAB.RESEARCH.GOOGLE.COM/GITHUB/HUGGINGFACE/NOTEBOOKS/BLOB/MASTER/COURSE/PT/CHAPTER1/SECTION8.IPYNB](HTTPS:/COLAB.RESEARCH.GOOGLE.COM/GITHUB/HUGGINGFACE/NOTEBOOKS/BLOB/MASTER/COURSE/PT/CHAPTER1/SECTION8.IPYNB) doesn’t exist in pt, but exists on the english version. Click <a href="/learn/nlp-course/en/chapter1/%5Bhttps:/colab.research.google.com/github/huggingface/notebooks/blob/master/course/pt/chapter1/section8.ipynb%5D(https:/colab.research.google.com/github/huggingface/notebooks/blob/master/course/pt/chapter1/section8.ipynb)">here</a> to redirect to the english version of the course.