Submission of hardwork pays off problem

i have uploaded the file of output of hardwork pays off problem but it is showing error .i have compared the result with inbuilt scikit learn regressor also and results are correct according to that also.please help me

Make sure your file is having the same format as that of given in submission.csv file.
If this doesn’t resolve your doubt.
Then share your code on cb.lk/ide

Thanks :