That exception means that you must be using a variable to index one of the arrays that is not an integer value. E.g. maybe itās actually an array itself. If everything passes in the notebook and then it fails like that in the grader, one type of error to look for would be referencing global variables in your function logic. Maybe that variable name means something different in the grader context.
I accidently wrote some values in the assignment , now I cannot distinguish the values I want include in the None placeholders, if I were to restart the assignment as a first attempt without the changes and the data i implemented ,Please give a way on how to do this
You can get a fresh copy of the assignment by clicking the ā?ā button on the top right corner of the Coursera window. Select the āupdate versionā option will get you a fresh copy of the assignment. But first you need to rename the existing assignment notebook if you want to keep some work you have already done for reference, otherwise, delete that notebook. The update will not go ahead if there is an existing assignment.