Razvan Alexandru Maris developed an interactive Bash script for the dianaelena1/OS repository, enabling users to input numbers and receive their sum until entering zero. He approached the task with a focus on user interaction and maintainability, incorporating a descriptive header, clear output formatting, and comprehensive code comments. To support future enhancements and validation, he added a testing scaffold alongside the main script, laying the groundwork for repeatable test cases. His work demonstrated proficiency in Bash and shell scripting, emphasizing clarity and testability. Over the month, Razvan made three commits, each documenting incremental progress and ensuring the feature’s robustness and usability.