This week's book giveaways are in the Jython/Python and Object-Oriented programming forums. We're giving away four copies each of Machine Learning for Business: Using Amazon SageMaker and Jupyter and Object Design Style Guide and have the authors on-line! See this thread and this one for details.
Always go through any error messages carefully. For simple errors, the error messages will usually tell you exactly what is wrong. Here it is telling you that it can't find 'prinln' or 'arg'. If it can't find it, it does not exist.
Tip: I usually tackle the first error, then recompile. Take them one by one; sometimes you will get multiple errors which are caused by one issue.
Once upon a time there were three bears. And they were visted by a golden haired tiny ad: