Jupyter issue

[nikhil0218]

Hi Professor

" Firstly, I apologize for not being able to attend the office hours as I have some unavoidable work "

I am trouble with my Jupyter hub.
The code I have written is working in external compilers but I'm getting "KeyboardInterrupt error" during validation for few questions.
My Jupyter hub isn't showing any errors until I validate it everytime . i.e., My friends are getting Assertion error, Name error and so on once they run the block but I couldn't do so.
Please help me the above issues as the deadline is soon.

Thanks&Regards
Nikhil Dodda
nikhildo@buffalo.edu
(716)-986 5263