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For this assignment you will create a Python package called Animals. It will contain subpack-ages for Mammals, Birds, Fish, and SquirmyThings. Each subpackage contains a module that de nes a class of the same name, and a module called helpers.py that de nes some helper functions. See the sample les included in the zip le you downloaded. In addition, you must add init .py to each package.
When the package is complete, create a le called animal tester.py that tests the package and its contents.
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