Test-Driven Development (TDD) in Python #4 - Duplication & The Rule of Three

Jason Gorman demonstrates how and when to remove duplication from our solution and test code, how duplication can signpost a better design, and when to leave duplication in Previous TDD in Python videos https://www.youtube.com/playlist?list=PL1tIFPlmF4ykpjOJKVDwYkpBIeXsoak6S Mars Rover kata https://kata-log.rocks/mars-rover-kata parameterized website https://pypi.org/project/parameterized/