Error in graded assignment

Even though I am getting perfect score ,result is showing error, please help someone.

Hello @Shiva_Kant_Mishra! Thanks for highlighting this issue.
However, you posted this in the wrong category. Currently, it is in the General category. Kindly change the category to Machine Learning Specialization Course 1 Week 2 and mentors will respond to you.
You can change the category by clicking the pencil icon on the right side of the title.