Writing an Exception Handler
For the latest documentation on Visual Studio 2017 RC, see Visual Studio 2017 RC Documentation.
Exception handlers are typically used to respond to specific errors. You can use the exception-handling syntax to filter out all exceptions other than those you know how to handle. Other exceptions should be passed to other handlers (possibly in the run-time library or the operating system) written to look for those specific exceptions.
Exception handlers use the try-except statement.