개발할때, 가능하면 쉽게 가독성이 높게 프로그램을 짜는 습관이 필요해 보입니다.

KISS – keep it simple, stupid

The KISS principle says that you should always choose the simplest solution for a problem. The best solution to a problem is usually the one that is as simple, minimalist, and easy to understand as possible, while ensuring stability, understandability, and maintainability in addition to functional correctness.”