Chapter 15. Classes and Objects

At this point you know how to use functions to organize code and built-in types to
organize data. The next step is to learn “object-oriented programming”, which uses
programmer-defined types to organize both code and data. Object-oriented programming
is a big topic; it will take a few chapters to get there.

Code examples from this chapter are available from
[http://thinkpython2.com/code/Point1.py; solutions to the exercises are available from](http://thinkpython2.com/code/Point1.py; solutions to the exercises are available from)
http://thinkpython2.com/code/Point1_soln.py.