The Python Standard Library by Example Doug Hellmann

The Python Standard Library by Example Doug Hellmann. 

Every day, developers across the world build tools and entire applications based on nothing but the core language and the standard library. You not only get the ability to conceptualize what a car is (the language), but you also get enough parts and tools to put together a basic car yourself. It might not be the perfect car, but it gets you from A to B, and that’s incredibly empowering and rewarding.