Python 3 Object-oriented Programming - Second Edition

Conventions

This book uses a variety of text styles to distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "We look up the class in the dictionary and store it in a variable named PropertyClass."

A block of code is set as follows:

    def add_property(self):
        property_type = get_valid_input(
                "What type of property? ",
                ("house", "apartment")).lower()
        payment_type = get_valid_input(
                "What payment type? ",
                ("purchase", "rental")).lower()

When we wish to draw your attention to a particular part of a code block, the relevant ...