December 2018
Beginner to intermediate
796 pages
19h 54m
English
Content preview from Learn Web Development with Python
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Booleans
Boolean algebra is that subset of algebra in which the values of the variables are the truth values: true and false. In Python, True and False are two keywords that are used to represent truth values. Booleans are a subclass of integers, and behave respectively like 1 and 0. The equivalent of the int class for Booleans is the bool class, which returns either True or False. Every built-in Python object has a value in the Boolean context, which means they basically evaluate to either True or False when fed to the bool function. We'll see all about this in Chapter 3, Iterating and Making Decisions.
Boolean values can be combined in Boolean expressions using the logical operators and, or, and not. Again, we'll see them in full in the ...
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