package documentation

Code from the chapter "Object-Oriented Programming".

Module credit_card Provides the CreditCard class as an example of a class definition.
Module our_range Provides the OurRange class which mimics the built-in range class.
Module predatory_credit_card Provides the PredatoryCreditCard class as an example of inheritance.
Module progressions Provides the Progression class that serves as a base class for several other classes.
Module sequence_abc Provides the Sequence class as an example of a abstract base class.
Module sequence_iterator Provides the SequenceIterator class as an example of a Python iterator.
Module vector Provides the Vector class representing multidimensional coordinates.