Worked on the COSC381-2024Fall/Todo-List-CLI repository to enhance the reliability of the task_exists function by developing comprehensive unit tests. Focused on using Python and Pytest to create tests that addressed a range of scenarios, including valid task inputs, leading whitespace, non-existent tasks, and empty strings. This approach aimed to strengthen test coverage and reduce the risk of regressions, supporting future continuous integration efforts. The work emphasized robust unit testing practices and careful validation of edge cases, ensuring that the function behaves correctly for end users and laying a foundation for improved code quality and maintainability in the project.