While sometimes tedious, testing is critical if you’re at all interested in developing a robust and reasonably bug-free codebase that endures. In software testing, these are your options: Unit testing involves testing snippets of code, single functions, classes, utility functions, components, etc. Here, each function, component, class, etc. is tested independently and as a single unit. This is the most basic type of testing. In Python, we can test that a function works as expected. The above is an example of a unit test. The sum function is used to sum all the numbers in the list and returns the…