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Importing from parents

In this exercise, you will be importing a function from the utils.py module at the top of your package. A utils module is usually used for small, often unrelated, pieces of code each of which which aren't enough to justify their own module.

You'll import a function for checking the units passed to the convert_units() function. You'll use this checking function in another subpackage later. That's why we don't just put this function in one of the modules in the length subpackage.

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This exercise is part of the course

Developing Python Packages

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