What’s the best way to learn a new library when the documentation feels overwhelming?

A useful workflow is to find a minimal example, run it, and change one thing at a time. Read the source of a few small open-source projects that use the library, too; seeing how real code structures the API can be more helpful than isolated reference entries. Keep notes about what each experiment taught you, and gradually turn the working example into your own program rather than copying a large solution.

Using AI doesn’t have to mean handing over the learning process. Ask it to explain a concept, compare two API choices, or point out what documentation terms you should look up instead of asking it to build the whole project. You can also request a minimal example and then verify every part against the official docs. The important distinction is whether the tool is helping you understand and investigate or simply bypassing that work.

Trial and error is a normal part of learning a new API. Start with the smallest program that does something observable, inspect the values and objects it produces, and let each result suggest the next question. Documentation is much easier to navigate after you have a concrete problem and a little working code in front of you.

Don’t begin with the complete API reference. Look for the library’s introduction, getting-started guide, tutorials, and use-case examples first. With Scapy, start with a tiny working task such as capturing one packet and printing it. Once you understand the basic pattern, use the reference pages to look up the details you need. Examples and small experiments give the API names some context.

Learn enough of the underlying subject to build a mental model. For packet sniffing, understand concepts like interfaces, packets, layers, protocols, and capture filters. Once you have the vocabulary, it becomes much easier to predict whether you need a capture function, a packet-layer class, or a field accessor. Then search the documentation using those concepts instead of guessing arbitrary function names.