UNQ_C1 is duplicated

Why I am facing this issue

Hi @Ritik_Singh06 ,

It appears that you have accidentally created a duplicate cell with the comment # UNQ_C1 . Kindly delete the duplicate cell named # UNQ_C1 or you may follow these steps to get a fresh copy of the assignment. Afterward, you may copy your work from your current notebook to the fresh one.