Also, tests ARE THE code, and equally important too! However so many people make the mistake of writing tests after the function, when the benefit is less immediate. They also have the illusion that they are done and have to do extra work. And since they didn’t write the test first, they most likely wasted a ton of time and energy on extra work of testing changes manually
Documentation and testing are fundamental parts of writing code.
Also, tests ARE THE code, and equally important too! However so many people make the mistake of writing tests after the function, when the benefit is less immediate. They also have the illusion that they are done and have to do extra work. And since they didn’t write the test first, they most likely wasted a ton of time and energy on extra work of testing changes manually