Review your understanding of:
- defining functions
- defining functions with a default argument
- assigning variables
- return values
This is a test-driven lab. To get started, (once you fork and clone the lab down onto your computer), run the test suite with the learn command. Read the test output in your terminal to learn how to fill out the methods to get your tests to pass. We've already defined the methods for you––you need to write the code inside of them to give them the desired behavior, as defined by the tests. Refer back to the earlier lessons on reading test output for help.
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