As JonAult says, just keep reading and get used to it. As you gain more experience, the pain will diminish.
However, the lack of working code samples in printed form is a major problem with their documentation. They seem to be moving things into videos. I argue that watching videos to learn new things is a total waste of time and energy.
For that you need to read the language guides. Fortunately, their language guides are still pretty good.
The following material is worth reading from cover to cover.
The Swift Programming Language
The Objective-C Programming Language
By the way, you can become a competent programmer faster than you can imagine.