code clean up code example

Example: clean code

Characteristics of a Clean code:
It should be elegant — Clean code should be pleasing to read. Reading it should make you smile the way a well-crafted music box or well-designed car would.
Clean code is focused —Each function, each class, each module exposes a single-minded attitude that remains entirely undistracted, and unpolluted, by the surrounding details.
Clean code is taken care of. Someone has taken the time to keep it simple and orderly. They have paid appropriate attention to details. They have cared.
4. Runs all the tests
5. Contains no duplication
6. Minimize the number of entities such as classes, methods, functions, and the like.