C2W2: All tests passed. Final grade 70

All my tests passed. When I click on submit assignment, it gave me a final grade of 70%. Zero for the last exercise of gradient descent. The image shows the exercise was completed and eveything runs ok. Is there something I can do?

What I would suggest to do is re-check your implementation of the gradient function. Sometimes there are other tests being run when graded that are not run when you test as you go.

Thank you! Did a re-check and It is working now.
It was not a problem with the function. I had left a #grade-up-to-here comment in the previous exercise.

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