Submission Error

Comment line with index: UNQ_C1 wasn’t found in code

What is the meaning of this line ?

It means that the grader is looking for a cell with that identifier (as a comment line), because that’s how it finds the functions it is supposed to test.

Most likely you removed the comment line that included the key text.

How to fix it ? I am unable to receive the grade.

  1. Save your notebook with a different file name, so you don’t lose your code.

  2. Get a new copy of the notebook, use the instructions in this thread:
    Frequently Asked Questions

  3. Compare your old notebook with the new one, and see what is missing.

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