In the output "x is 10 y is 5", what do I learn about the function called?

The output "x is 10 y is 5" indicates that the function executed and produced a result without any reported errors or interruptions. The absence of any error messages implies that the function completed its intended operations, which may include variable assignments or calculations, and reached the point of producing this output.

This conveys a sense of successful execution, as a correctly functioning function would reach its end and provide output as in this case. Furthermore, while other aspects such as variable swapping, correctness of print statements, or return values may be relevant to the function's overall purpose, the output itself strongly supports the interpretation that all operations leading to this output have been performed successfully.