qb is it's own language. That doesn't mean it has to be all that different, from what you might already know. Everything you need to learn qb is a preexisting knowledge of Python and the documentation.
qb comes with a bunch of powerful features on top of what you know from Python. Some of which are the pipe-operator |>, multi-line lambdas, an extensive standard library and many more.
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qb is made by a single man - me. While this means slow development, it also means that this project is always treated with passion and that every feature is a direct result of my love for programming.