No output always

Question

When i run the examples for the lessons, always put "no output". I reinstalled the program and the same problem.
I always went well, but suddenly this happening

What happen?
Thanks

Answer 1

I too have the same problem

Answer 2

have u completed the course

Answer 3

Hi.
I'm midcourse.

And now I can not follow or review previous lessons

Answer 4

I checked it's working... I completed course. may be u should write to sololearn team.