"Prime Testable" Code

What is the EASIEST Python code to test? Because writing unit tests is a superpower. It's great. Completely changes what you are capable of as a developer. Think of the last time you wrote an incredible piece of software... Literally surprising yourself with the beauty, the power, the sheer awesomeness of what you created. Writing unit tests make that feeling COMMON. You want to live that life. And part of using them effectively is learning how to make your code easily testable . Out of the bulg