Knowing the cause of an error and being able to fix it without panic or external help is an important milestone in becoming a 'real' developer.Writing code that is readable and understandable by humans is just as important as making it work correctly.Including docstrings and writing descriptive function names can greatly enhance the readability and maintainability of code.Even experienced developers make mistakes, but the ability to learn from and correct these mistakes is a crucial skill in software development.