What are the benefits of using a function or subroutine?

Functions and subroutines enhance code organization and readability by encapsulating specific tasks, making programs easier to understand and maintain. They promote code reusability, allowing developers to use the same code multiple times without duplication. Additionally, they facilitate debugging and testing by isolating functionalities, which simplifies the process of identifying and fixing errors. Overall, these practices lead to more efficient and manageable code development.