Is it possible to show pass or fail message on ubuntu core command line while running snap?

I need to print pass or fail message on ubuntu core command line while running snap.

I have one snap which is write in python3 interpreter to run startup script.

currently we are writing message in one file ,but instead of writing into file to show on command line prompt .
so my question is it possible to show pass or fail message on ubuntu core command line while running snap?

Please help me out…
thanks in advance