License
Copyright (c) 2026 Manuel Lorenzo (trading as NullTwenty). All rights reserved, except as stated below.
Course text (everything in docs/, exercises/, book/ outputs, and this README)
You bought a licence for one person. You may:
- read it on any number of your own devices;
- print copies for your own study;
- quote short passages with attribution, for review or commentary.
You may not share, resell, upload, or redistribute the text or the book files, in whole or in substantial part, or use them to train or fine-tune an AI model. Teams need one licence per learner; ask about team pricing.
Code (*.py files, code listings, and the data/ sample files)
The code is released under the MIT License, so you can use it in your own projects, including commercial ones:
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Trademarks and affiliation
This is an independent course. It is not affiliated with, endorsed by, or sponsored by Anthropic or any other company it mentions. "Claude" and "Anthropic" are trademarks of Anthropic, PBC; other names belong to their owners and are used only to describe what the examples work with.