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Ubuntu Unleashed 2013 Edition: Covering 12.10 and 13.04, Eighth Edition by Matthew Helmke

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Class Inheritance

Python allows you to reuse your code by inheriting one class from one or more others. For example, lions, tigers, and bears are all mammals and so share a number of similar properties. In that scenario, you do not want to have to copy and paste functions between them; it is smarter (and easier) to have a mammal class that defines all the shared functionality and then inherit each animal from that.

Consider the following code:

class Car(object):    color = "black"    speed = 0    def accelerate_to(self, speed):        self.speed = speed    def set_color(self, color):        self.color = colormycar = Car()print mycar.color

That creates a Car class with a default color and provides a set_color() function so that people can change ...

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