Part 1 deals with sending and retrieving static data to and from a Deta Base Instance
Part 2 deals with sending and retrieving dynamic data to and from a Deta Base Instance, but relies heavily on the concepts discussed in Part 1. So it is recommended to go through the parts sequentially.
The Deta Base HTTP Docs are a recommeded resource to keep handy while going through the above tutorials, since this is what the library uses internally to interact with Deta.