What are some guidelines for writing maintainable programs with low complexity?

Some guidelines for writing maintainable programs with low complexity include:

1. Modularize the code: Break the program into smaller, manageable modules or functions that perform specific tasks. This helps in isolating and understanding different parts of the program, making it easier to maintain and modify.

2. Use meaningful variable and function names: Choose descriptive names that accurately represent the purpose and functionality of variables and functions. This improves code readability and makes it easier for others (including future maintainers) to understand and modify the code.

3. Keep functions and classes small: Aim for smaller functions and classes that focus on a single responsibility. This promotes code reusability, readability, and maintainability.

4. Avoid code duplication: Identify and eliminate duplicate code by creating reusable functions or classes. This reduces complexity and makes it easier to maintain and modify the code in the future.

5. Follow coding conventions and style guidelines: Consistently follow coding conventions and style guidelines to ensure a uniform and readable codebase. This helps in understanding and maintaining the code, especially when multiple developers are involved.

6. Write clear and concise comments: Use comments to explain the purpose, logic, and any potential issues in the code. Well-written comments can greatly assist in understanding and maintaining the code.

7. Test and refactor regularly: Regularly test the code to identify and fix any bugs or issues. Refactor the code to improve its structure, readability, and maintainability. This helps in reducing complexity and ensuring the code remains maintainable over time.

8. Document the code: Provide documentation that explains the overall architecture, design decisions, and any important considerations of the program. This helps in understanding and maintaining the code, especially for future developers who may not be familiar with the codebase.

By following these guidelines, developers can write maintainable programs with low complexity, making it easier to understand, modify, and maintain the code in the long run.