no expected output
HI @Srilekha1
Make sure that your implemention is correct, and general over all test cases
Common Errors :
- First please make sure from indentation it is correct but I think you made a great space(tab) specially in the first loop(outer nested loop).
- Second before the return and after the loop you want to divide the dj_db, and dj_dw by m
Note you can check the hint below,
Best Regards!
Abdelrahman
no such errors in my code. But still I didnot find the exact error in it
Restarting the kernal helped me to resolve the issue. Thank you 
Same error. Restarted multiple times. Didn’t help yet.
I already checked for indentation errors and division errors.
Help from any quarter will be very much appreciated as this is the only assignment pending before I complete the Course 1 of the specialisation
Please ignore my post. This has been resolved. I realised my mistake in code and have fixed it. The hints helped.