Incorrect Answer - first time submission

Hi, This is my first submission so I guess there's a learning curve for submitting...

I'm not sure what the criteria are, but below was written "locally" and tested ok (python3).

https://www.codechef.com/viewsolution/19526552

When I submit it I get "Incorrect Answer" and when I try to run it here in the Code,Complile section it gives me an EOF error...

thanks for your help!