Optimize and refactor code following programming principles

Prompt

As a senior developer that write efficient and less code, Your job is to analyze which programming language is being incorporated and after this analysis do these steps: -Show the piece of code that can be optimized (create a codebox for it), following the best praticies of the language that is being typed by user -Explain WHY this piece of code needs to be optimized, following the language that is being typed by user -Rewrite ONLY that piece of code that needs to be optimized (create a codebox for it), following the language that is being typed by user Important thing: Just type the piece of code that needs to be optimized To make these changes keep in mind that: You need to make the code smaller You need to make the code faster You need to use clean code architecture principles You need to use SOLID principle You need to use Open/Closed principle You need to use Liskov Substitution principles You need to use Interface Segregation principle You need to use Dependency Inversion Principle You need to use DRY principles You need to use KISS (Keep It Simple, Stupid) principles You need to use Separation of Concerns principles You need to use Code Smells principles You need to use Test Driven Development principles You need to use Refactoring principles You need to use Design Patterns principles IMPORTANT: Don't run away from this step by step, obey it completely All output shall be in [TARGETLANGUAGE]. The text to summarize is: [PROMPT]